Split (2)

train · 86.8k rows

id stringlengths 24 24	question stringlengths 1 270	answer stringlengths 1 239	documents listlengths 1 1
56df80625ca0a614008f9b85	What fictional character is based on Alexander Ellis?	Professor Henry Higgins	[ "Alexander_Graham_Bell\n\nAt the age of 19, he wrote a report on his work and sent it to philologist Alexander Ellis, a colleague of his father (who would later be portrayed as Professor Henry Higgins in Pygmalion). Ellis immediately wrote back indicating that the experiments were similar to existing work in German...
56df812d56340a1900b29c7b	By what means did Bell conclude vowel sounds could be made?	electrical	[ "Alexander_Graham_Bell\n\nDismayed to find that groundbreaking work had already been undertaken by Helmholtz who had conveyed vowel sounds by means of a similar tuning fork \"contraption\", he pored over the German scientist's book. Working from his own erroneous mistranslation of a French edition, Bell fortuitousl...
56df812d56340a1900b29c7c	What else besides vowels did Bell decide could be created?	consonants	[ "Alexander_Graham_Bell\n\nDismayed to find that groundbreaking work had already been undertaken by Helmholtz who had conveyed vowel sounds by means of a similar tuning fork \"contraption\", he pored over the German scientist's book. Working from his own erroneous mistranslation of a French edition, Bell fortuitousl...
56df812d56340a1900b29c7d	What language was Bell happy he couldn't read?	German	[ "Alexander_Graham_Bell\n\nDismayed to find that groundbreaking work had already been undertaken by Helmholtz who had conveyed vowel sounds by means of a similar tuning fork \"contraption\", he pored over the German scientist's book. Working from his own erroneous mistranslation of a French edition, Bell fortuitousl...
56df812d56340a1900b29c7e	What did Bell think he didn't know well enough?	electricity	[ "Alexander_Graham_Bell\n\nDismayed to find that groundbreaking work had already been undertaken by Helmholtz who had conveyed vowel sounds by means of a similar tuning fork \"contraption\", he pored over the German scientist's book. Working from his own erroneous mistranslation of a French edition, Bell fortuitousl...
56df819c5ca0a614008f9bb1	In what year did the Bell's move to London?	1865	[ "Alexander_Graham_Bell\n\nIn 1865, when the Bell family moved to London, Bell returned to Weston House as an assistant master and, in his spare hours, continued experiments on sound using a minimum of laboratory equipment. Bell concentrated on experimenting with electricity to convey sound and later installed a tel...
56df819c5ca0a614008f9bb2	Where did Bell go in work in 1865?	Weston House	[ "Alexander_Graham_Bell\n\nIn 1865, when the Bell family moved to London, Bell returned to Weston House as an assistant master and, in his spare hours, continued experiments on sound using a minimum of laboratory equipment. Bell concentrated on experimenting with electricity to convey sound and later installed a tel...
56df819c5ca0a614008f9bb3	What building was Bell in?	Somerset College	[ "Alexander_Graham_Bell\n\nIn 1865, when the Bell family moved to London, Bell returned to Weston House as an assistant master and, in his spare hours, continued experiments on sound using a minimum of laboratory equipment. Bell concentrated on experimenting with electricity to convey sound and later installed a tel...
56df819c5ca0a614008f9bb4	How did Bell sign his letters?	A.G. Bell	[ "Alexander_Graham_Bell\n\nIn 1865, when the Bell family moved to London, Bell returned to Weston House as an assistant master and, in his spare hours, continued experiments on sound using a minimum of laboratory equipment. Bell concentrated on experimenting with electricity to convey sound and later installed a tel...
56df819c5ca0a614008f9bb5	In what year did Bell move home?	1867	[ "Alexander_Graham_Bell\n\nIn 1865, when the Bell family moved to London, Bell returned to Weston House as an assistant master and, in his spare hours, continued experiments on sound using a minimum of laboratory equipment. Bell concentrated on experimenting with electricity to convey sound and later installed a tel...
56df82285ca0a614008f9bc7	What city is Susanna E. Hull located in?	South Kensington	[ "Alexander_Graham_Bell\n\nHelping his father in Visible Speech demonstrations and lectures brought Bell to Susanna E. Hull's private school for the deaf in South Kensington, London. His first two pupils were \"deaf mute\" girls who made remarkable progress under his tutelage. While his older brother seemed to achie...
56df82285ca0a614008f9bc8	What sort of student attended Susanna E. Hull?	deaf	[ "Alexander_Graham_Bell\n\nHelping his father in Visible Speech demonstrations and lectures brought Bell to Susanna E. Hull's private school for the deaf in South Kensington, London. His first two pupils were \"deaf mute\" girls who made remarkable progress under his tutelage. While his older brother seemed to achie...
56df82285ca0a614008f9bc9	Who died in 1870?	Melville	[ "Alexander_Graham_Bell\n\nHelping his father in Visible Speech demonstrations and lectures brought Bell to Susanna E. Hull's private school for the deaf in South Kensington, London. His first two pupils were \"deaf mute\" girls who made remarkable progress under his tutelage. While his older brother seemed to achie...
56df82285ca0a614008f9bca	Where did Bell's father go to recover from illness?	Newfoundland	[ "Alexander_Graham_Bell\n\nHelping his father in Visible Speech demonstrations and lectures brought Bell to Susanna E. Hull's private school for the deaf in South Kensington, London. His first two pupils were \"deaf mute\" girls who made remarkable progress under his tutelage. While his older brother seemed to achie...
56df82285ca0a614008f9bcb	What did Bell help his final student get rid of?	lisp	[ "Alexander_Graham_Bell\n\nHelping his father in Visible Speech demonstrations and lectures brought Bell to Susanna E. Hull's private school for the deaf in South Kensington, London. His first two pupils were \"deaf mute\" girls who made remarkable progress under his tutelage. While his older brother seemed to achie...
56df828c5ca0a614008f9bd1	How old was Bell when he went to Canada?	23	[ "Alexander_Graham_Bell\n\nIn 1870, at age 23, Bell, his brother's widow, Caroline (Margaret Ottaway), and his parents travelled on the SS Nestorian to Canada. After landing at Quebec City the Bells transferred to another steamer to Montreal and then boarded a train to Paris, Ontario, to stay with the Reverend Thoma...
56df828c5ca0a614008f9bd2	What boat did Bell travel on?	SS Nestorian	[ "Alexander_Graham_Bell\n\nIn 1870, at age 23, Bell, his brother's widow, Caroline (Margaret Ottaway), and his parents travelled on the SS Nestorian to Canada. After landing at Quebec City the Bells transferred to another steamer to Montreal and then boarded a train to Paris, Ontario, to stay with the Reverend Thoma...
56df828c5ca0a614008f9bd3	In what Canadian city did Bell first arrive?	Quebec City	[ "Alexander_Graham_Bell\n\nIn 1870, at age 23, Bell, his brother's widow, Caroline (Margaret Ottaway), and his parents travelled on the SS Nestorian to Canada. After landing at Quebec City the Bells transferred to another steamer to Montreal and then boarded a train to Paris, Ontario, to stay with the Reverend Thoma...
56df828c5ca0a614008f9bd4	What city did Bell arrive at by train?	Paris	[ "Alexander_Graham_Bell\n\nIn 1870, at age 23, Bell, his brother's widow, Caroline (Margaret Ottaway), and his parents travelled on the SS Nestorian to Canada. After landing at Quebec City the Bells transferred to another steamer to Montreal and then boarded a train to Paris, Ontario, to stay with the Reverend Thoma...
56df828c5ca0a614008f9bd5	How many acres was the farm the Bell's bought in Canada?	10.5	[ "Alexander_Graham_Bell\n\nIn 1870, at age 23, Bell, his brother's widow, Caroline (Margaret Ottaway), and his parents travelled on the SS Nestorian to Canada. After landing at Quebec City the Bells transferred to another steamer to Montreal and then boarded a train to Paris, Ontario, to stay with the Reverend Thoma...
56df836e5ca0a614008f9beb	What building did Bell use as a workshop?	carriage house	[ "Alexander_Graham_Bell\n\nAt the homestead, Bell set up his own workshop in the converted carriage house near to what he called his \"dreaming place\", a large hollow nestled in trees at the back of the property above the river. Despite his frail condition upon arriving in Canada, Bell found the climate and environ...
56df836e5ca0a614008f9bec	What did Bell call his special spot in the back of the property?	dreaming place	[ "Alexander_Graham_Bell\n\nAt the homestead, Bell set up his own workshop in the converted carriage house near to what he called his \"dreaming place\", a large hollow nestled in trees at the back of the property above the river. Despite his frail condition upon arriving in Canada, Bell found the climate and environ...
56df836e5ca0a614008f9bed	What Native American language did Bell learn?	Mohawk	[ "Alexander_Graham_Bell\n\nAt the homestead, Bell set up his own workshop in the converted carriage house near to what he called his \"dreaming place\", a large hollow nestled in trees at the back of the property above the river. Despite his frail condition upon arriving in Canada, Bell found the climate and environ...
56df836e5ca0a614008f9bee	What special status did Bell get in the Mohawk tribe?	Honorary Chief	[ "Alexander_Graham_Bell\n\nAt the homestead, Bell set up his own workshop in the converted carriage house near to what he called his \"dreaming place\", a large hollow nestled in trees at the back of the property above the river. Despite his frail condition upon arriving in Canada, Bell found the climate and environ...
56df836e5ca0a614008f9bef	Where was the Six Nations Reserve located?	Onondaga	[ "Alexander_Graham_Bell\n\nAt the homestead, Bell set up his own workshop in the converted carriage house near to what he called his \"dreaming place\", a large hollow nestled in trees at the back of the property above the river. Despite his frail condition upon arriving in Canada, Bell found the climate and environ...
56df83c756340a1900b29cba	What did Bell rework to send music?	melodeon	[ "Alexander_Graham_Bell\n\nAfter setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made...
56df83c756340a1900b29cbb	What is a melodeon a kind of?	pump organ	[ "Alexander_Graham_Bell\n\nAfter setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made...
56df83c756340a1900b29cbc	When did Bell go to Montreal?	1871	[ "Alexander_Graham_Bell\n\nAfter setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made...
56df83c756340a1900b29cbd	Who went with Bell to Montreal?	father	[ "Alexander_Graham_Bell\n\nAfter setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made...
56df83c756340a1900b29cbe	How did Bell's reworked melodeon send music?	electrically	[ "Alexander_Graham_Bell\n\nAfter setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made...
56df84d756340a1900b29cd2	Who ran the Boston School for Deaf Mutes?	Sarah Fuller	[ "Alexander_Graham_Bell\n\nBell's father was invited by Sarah Fuller, principal of the Boston School for Deaf Mutes (which continues today as the public Horace Mann School for the Deaf), in Boston, Massachusetts, to introduce the Visible Speech System by providing training for Fuller's instructors, but he declined t...
56df84d756340a1900b29cd3	What name does the Boston School for Deaf Mutes go by now?	the public Horace Mann School for the Deaf	[ "Alexander_Graham_Bell\n\nBell's father was invited by Sarah Fuller, principal of the Boston School for Deaf Mutes (which continues today as the public Horace Mann School for the Deaf), in Boston, Massachusetts, to introduce the Visible Speech System by providing training for Fuller's instructors, but he declined t...
56df84d756340a1900b29cd4	What month did Bell go to Boston?	April	[ "Alexander_Graham_Bell\n\nBell's father was invited by Sarah Fuller, principal of the Boston School for Deaf Mutes (which continues today as the public Horace Mann School for the Deaf), in Boston, Massachusetts, to introduce the Visible Speech System by providing training for Fuller's instructors, but he declined t...
56df84d756340a1900b29cd5	Bell trained who in Boston?	instructors	[ "Alexander_Graham_Bell\n\nBell's father was invited by Sarah Fuller, principal of the Boston School for Deaf Mutes (which continues today as the public Horace Mann School for the Deaf), in Boston, Massachusetts, to introduce the Visible Speech System by providing training for Fuller's instructors, but he declined t...
56df84d756340a1900b29cd6	What city was the American Asylum in?	Hartford	[ "Alexander_Graham_Bell\n\nBell's father was invited by Sarah Fuller, principal of the Boston School for Deaf Mutes (which continues today as the public Horace Mann School for the Deaf), in Boston, Massachusetts, to introduce the Visible Speech System by providing training for Fuller's instructors, but he declined t...
56df85525ca0a614008f9bfe	How many wires did Bell send a signal through?	1	[ "Alexander_Graham_Bell\n\nReturning home to Brantford after six months abroad, Bell continued his experiments with his \"harmonic telegraph\".[N 12] The basic concept behind his device was that messages could be sent through a single wire if each message was transmitted at a different pitch, but work on both the tr...
56df85525ca0a614008f9bff	For his system to work, Bell had to change what about each code?	pitch	[ "Alexander_Graham_Bell\n\nReturning home to Brantford after six months abroad, Bell continued his experiments with his \"harmonic telegraph\".[N 12] The basic concept behind his device was that messages could be sent through a single wire if each message was transmitted at a different pitch, but work on both the tr...
56df85525ca0a614008f9c00	Bell needed to fix both the transmitter and what?	receiver	[ "Alexander_Graham_Bell\n\nReturning home to Brantford after six months abroad, Bell continued his experiments with his \"harmonic telegraph\".[N 12] The basic concept behind his device was that messages could be sent through a single wire if each message was transmitted at a different pitch, but work on both the tr...
56df85525ca0a614008f9c01	Where was Bell's home?	Brantford	[ "Alexander_Graham_Bell\n\nReturning home to Brantford after six months abroad, Bell continued his experiments with his \"harmonic telegraph\".[N 12] The basic concept behind his device was that messages could be sent through a single wire if each message was transmitted at a different pitch, but work on both the tr...
56df860a56340a1900b29ce0	What city did Bell decide to return to?	Boston	[ "Alexander_Graham_Bell\n\nUnsure of his future, he first contemplated returning to London to complete his studies, but decided to return to Boston as a teacher. His father helped him set up his private practice by contacting Gardiner Greene Hubbard, the president of the Clarke School for the Deaf for a recommendati...
56df860a56340a1900b29ce2	In what year did Bell open his own school?	1872	[ "Alexander_Graham_Bell\n\nUnsure of his future, he first contemplated returning to London to complete his studies, but decided to return to Boston as a teacher. His father helped him set up his private practice by contacting Gardiner Greene Hubbard, the president of the Clarke School for the Deaf for a recommendati...
56df860a56340a1900b29ce3	How many people were in Bell's first class?	30	[ "Alexander_Graham_Bell\n\nUnsure of his future, he first contemplated returning to London to complete his studies, but decided to return to Boston as a teacher. His father helped him set up his private practice by contacting Gardiner Greene Hubbard, the president of the Clarke School for the Deaf for a recommendati...
56df860a56340a1900b29ce4	Which of Bell's students is the most well known?	Helen Keller	[ "Alexander_Graham_Bell\n\nUnsure of his future, he first contemplated returning to London to complete his studies, but decided to return to Boston as a teacher. His father helped him set up his private practice by contacting Gardiner Greene Hubbard, the president of the Clarke School for the Deaf for a recommendati...
56df86c056340a1900b29cf4	Bell's goal was to instruct the deaf to speak and not use what?	sign language	[ "Alexander_Graham_Bell\n\nSeveral influential people of the time, including Bell, viewed deafness as something that should be eradicated, and also believed that with resources and effort they could teach the deaf to speak and avoid the use of sign language, thus enabling their integration within the wider society f...
56df86c056340a1900b29cf5	What would happen so some children's hands in schools?	tied behind their backs	[ "Alexander_Graham_Bell\n\nSeveral influential people of the time, including Bell, viewed deafness as something that should be eradicated, and also believed that with resources and effort they could teach the deaf to speak and avoid the use of sign language, thus enabling their integration within the wider society f...
56df86c056340a1900b29cf6	In what light to many pro-deaf people see Bell?	negative	[ "Alexander_Graham_Bell\n\nSeveral influential people of the time, including Bell, viewed deafness as something that should be eradicated, and also believed that with resources and effort they could teach the deaf to speak and avoid the use of sign language, thus enabling their integration within the wider society f...
56df86c056340a1900b29cf7	What was the only language many deaf people had?	signing	[ "Alexander_Graham_Bell\n\nSeveral influential people of the time, including Bell, viewed deafness as something that should be eradicated, and also believed that with resources and effort they could teach the deaf to speak and avoid the use of sign language, thus enabling their integration within the wider society f...
56df875256340a1900b29d00	With what school did Bell get his next teaching job?	Boston University School of Oratory.	[ "Alexander_Graham_Bell\n\nIn the following year, Bell became professor of Vocal Physiology and Elocution at the Boston University School of Oratory. During this period, he alternated between Boston and Brantford, spending summers in his Canadian home. At Boston University, Bell was \"swept up\" by the excitement en...
56df875256340a1900b29d01	What was Bell's discipline?	Vocal Physiology and Elocution	[ "Alexander_Graham_Bell\n\nIn the following year, Bell became professor of Vocal Physiology and Elocution at the Boston University School of Oratory. During this period, he alternated between Boston and Brantford, spending summers in his Canadian home. At Boston University, Bell was \"swept up\" by the excitement en...
56df875256340a1900b29d02	What did Bell do late at night?	experiments	[ "Alexander_Graham_Bell\n\nIn the following year, Bell became professor of Vocal Physiology and Elocution at the Boston University School of Oratory. During this period, he alternated between Boston and Brantford, spending summers in his Canadian home. At Boston University, Bell was \"swept up\" by the excitement en...
56df875256340a1900b29d03	What health condition did Bell start to have?	headaches	[ "Alexander_Graham_Bell\n\nIn the following year, Bell became professor of Vocal Physiology and Elocution at the Boston University School of Oratory. During this period, he alternated between Boston and Brantford, spending summers in his Canadian home. At Boston University, Bell was \"swept up\" by the excitement en...
56df875256340a1900b29d04	In what year did Bell start to focus on research into sound?	1873	[ "Alexander_Graham_Bell\n\nIn the following year, Bell became professor of Vocal Physiology and Elocution at the Boston University School of Oratory. During this period, he alternated between Boston and Brantford, spending summers in his Canadian home. At Boston University, Bell was \"swept up\" by the excitement en...
56df880c56340a1900b29d12	Bell's two remaining students were "Georgie" Sanders and who?	Mabel Hubbard	[ "Alexander_Graham_Bell\n\nDeciding to give up his lucrative private Boston practice, Bell retained only two students, six-year-old \"Georgie\" Sanders, deaf from birth, and 15-year-old Mabel Hubbard. Each pupil would play an important role in the next developments. George's father, Thomas Sanders, a wealthy busines...
56df880c56340a1900b29d13	What was Georgie's father's name?	Thomas Sanders	[ "Alexander_Graham_Bell\n\nDeciding to give up his lucrative private Boston practice, Bell retained only two students, six-year-old \"Georgie\" Sanders, deaf from birth, and 15-year-old Mabel Hubbard. Each pupil would play an important role in the next developments. George's father, Thomas Sanders, a wealthy busines...
56df880c56340a1900b29d15	What disease made Mabel deaf?	scarlet fever	[ "Alexander_Graham_Bell\n\nDeciding to give up his lucrative private Boston practice, Bell retained only two students, six-year-old \"Georgie\" Sanders, deaf from birth, and 15-year-old Mabel Hubbard. Each pupil would play an important role in the next developments. George's father, Thomas Sanders, a wealthy busines...
56df880c56340a1900b29d16	How old was Mabel when she became deaf?	15	[ "Alexander_Graham_Bell\n\nDeciding to give up his lucrative private Boston practice, Bell retained only two students, six-year-old \"Georgie\" Sanders, deaf from birth, and 15-year-old Mabel Hubbard. Each pupil would play an important role in the next developments. George's father, Thomas Sanders, a wealthy busines...
56df890b38dc421700152018	On what material did the phonautograph operate?	smoked glass	[ "Alexander_Graham_Bell\n\nBy 1874, Bell's initial work on the harmonic telegraph had entered a formative stage, with progress made both at his new Boston \"laboratory\" (a rented facility) and at his family home in Canada a big success.[N 14] While working that summer in Brantford, Bell experimented with a \"phonau...
56df890b38dc421700152019	What kind of reed did Bell want to play with?	metal	[ "Alexander_Graham_Bell\n\nBy 1874, Bell's initial work on the harmonic telegraph had entered a formative stage, with progress made both at his new Boston \"laboratory\" (a rented facility) and at his family home in Canada a big success.[N 14] While working that summer in Brantford, Bell experimented with a \"phonau...
56df890b38dc42170015201a	What did Bell believe the reeds would turn the signal into?	sound	[ "Alexander_Graham_Bell\n\nBy 1874, Bell's initial work on the harmonic telegraph had entered a formative stage, with progress made both at his new Boston \"laboratory\" (a rented facility) and at his family home in Canada a big success.[N 14] While working that summer in Brantford, Bell experimented with a \"phonau...
56df890b38dc42170015201b	What instrument is a phonautograph similar to?	pen	[ "Alexander_Graham_Bell\n\nBy 1874, Bell's initial work on the harmonic telegraph had entered a formative stage, with progress made both at his new Boston \"laboratory\" (a rented facility) and at his family home in Canada a big success.[N 14] While working that summer in Brantford, Bell experimented with a \"phonau...
56df890b38dc42170015201c	In what year was Bell really working on his telegraph?	1874	[ "Alexander_Graham_Bell\n\nBy 1874, Bell's initial work on the harmonic telegraph had entered a formative stage, with progress made both at his new Boston \"laboratory\" (a rented facility) and at his family home in Canada a big success.[N 14] While working that summer in Brantford, Bell experimented with a \"phonau...
56df8a214a1a83140091eb0c	What business was William Orton in charge of?	Western Union	[ "Alexander_Graham_Bell\n\nIn 1874, telegraph message traffic was rapidly expanding and in the words of Western Union President William Orton, had become \"the nervous system of commerce\". Orton had contracted with inventors Thomas Edison and Elisha Gray to find a way to send multiple telegraph messages on each tel...
56df8a214a1a83140091eb0d	In 1874 the telegraph was known as the what of commerce?	nervous system	[ "Alexander_Graham_Bell\n\nIn 1874, telegraph message traffic was rapidly expanding and in the words of Western Union President William Orton, had become \"the nervous system of commerce\". Orton had contracted with inventors Thomas Edison and Elisha Gray to find a way to send multiple telegraph messages on each tel...
56df8a214a1a83140091eb0e	What was the primary motivation for not building new telegraph lines?	cost	[ "Alexander_Graham_Bell\n\nIn 1874, telegraph message traffic was rapidly expanding and in the words of Western Union President William Orton, had become \"the nervous system of commerce\". Orton had contracted with inventors Thomas Edison and Elisha Gray to find a way to send multiple telegraph messages on each tel...
56df8a214a1a83140091eb10	Thomas Edison and what other scientist were already asked to work on a better telegraph?	Elisha Gray	[ "Alexander_Graham_Bell\n\nIn 1874, telegraph message traffic was rapidly expanding and in the words of Western Union President William Orton, had become \"the nervous system of commerce\". Orton had contracted with inventors Thomas Edison and Elisha Gray to find a way to send multiple telegraph messages on each tel...
56df8c1e4a1a83140091eb1a	Who did Bell go to see in 1875?	Joseph Henry	[ "Alexander_Graham_Bell\n\nIn March 1875, Bell and Pollok visited the famous scientist Joseph Henry, who was then director of the Smithsonian Institution, and asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Henry replied that Bell had \"the ger...
56df8c1e4a1a83140091eb1b	Who ran the Smithsonian in 1875?	Joseph Henry	[ "Alexander_Graham_Bell\n\nIn March 1875, Bell and Pollok visited the famous scientist Joseph Henry, who was then director of the Smithsonian Institution, and asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Henry replied that Bell had \"the ger...
56df8c1e4a1a83140091eb1c	What was Henry's reply to Bell's statement that he lacked information to complete his telegraph?	Get it!	[ "Alexander_Graham_Bell\n\nIn March 1875, Bell and Pollok visited the famous scientist Joseph Henry, who was then director of the Smithsonian Institution, and asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Henry replied that Bell had \"the ger...
56df8c1e4a1a83140091eb1d	Who did Bell meet in 1874?	Thomas A. Watson	[ "Alexander_Graham_Bell\n\nIn March 1875, Bell and Pollok visited the famous scientist Joseph Henry, who was then director of the Smithsonian Institution, and asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Henry replied that Bell had \"the ger...
56df8c1e4a1a83140091eb1e	What kind of business did Watson work at?	electrical machine	[ "Alexander_Graham_Bell\n\nIn March 1875, Bell and Pollok visited the famous scientist Joseph Henry, who was then director of the Smithsonian Institution, and asked Henry's advice on the electrical multi-reed apparatus that Bell hoped would transmit the human voice by telegraph. Henry replied that Bell had \"the ger...
56df8ce34a1a83140091eb24	Who did Bell take on to work with him?	Thomas Watson	[ "Alexander_Graham_Bell\n\nWith financial support from Sanders and Hubbard, Bell hired Thomas Watson as his assistant,[N 15] and the two of them experimented with acoustic telegraphy. On June 2, 1875, Watson accidentally plucked one of the reeds and Bell, at the receiving end of the wire, heard the overtones of the ...
56df8ce34a1a83140091eb25	What month and day did Watson and Bell have a breakthrough?	June 2	[ "Alexander_Graham_Bell\n\nWith financial support from Sanders and Hubbard, Bell hired Thomas Watson as his assistant,[N 15] and the two of them experimented with acoustic telegraphy. On June 2, 1875, Watson accidentally plucked one of the reeds and Bell, at the receiving end of the wire, heard the overtones of the ...
56df8ce34a1a83140091eb26	How many reeds did Bell conclude he needed?	1	[ "Alexander_Graham_Bell\n\nWith financial support from Sanders and Hubbard, Bell hired Thomas Watson as his assistant,[N 15] and the two of them experimented with acoustic telegraphy. On June 2, 1875, Watson accidentally plucked one of the reeds and Bell, at the receiving end of the wire, heard the overtones of the ...
56df8ce34a1a83140091eb27	What name was given to the telephone that sort of worked?	gallows	[ "Alexander_Graham_Bell\n\nWith financial support from Sanders and Hubbard, Bell hired Thomas Watson as his assistant,[N 15] and the two of them experimented with acoustic telegraphy. On June 2, 1875, Watson accidentally plucked one of the reeds and Bell, at the receiving end of the wire, heard the overtones of the ...
56df8ce34a1a83140091eb28	Who gave money to Bell and Watson?	Sanders and Hubbard	[ "Alexander_Graham_Bell\n\nWith financial support from Sanders and Hubbard, Bell hired Thomas Watson as his assistant,[N 15] and the two of them experimented with acoustic telegraphy. On June 2, 1875, Watson accidentally plucked one of the reeds and Bell, at the receiving end of the wire, heard the overtones of the ...
56df8d8438dc421700152034	What did Bell promise to split with his financers?	U.S. profits	[ "Alexander_Graham_Bell\n\nIn 1875, Bell developed an acoustic telegraph and drew up a patent application for it. Since he had agreed to share U.S. profits with his investors Gardiner Hubbard and Thomas Sanders, Bell requested that an associate in Ontario, George Brown, attempt to patent it in Britain, instructing h...
56df8d8438dc421700152035	In what country other than the U.S. did Bell try to patent his telegraph?	Britain	[ "Alexander_Graham_Bell\n\nIn 1875, Bell developed an acoustic telegraph and drew up a patent application for it. Since he had agreed to share U.S. profits with his investors Gardiner Hubbard and Thomas Sanders, Bell requested that an associate in Ontario, George Brown, attempt to patent it in Britain, instructing h...
56df8d8438dc421700152036	Which country did Bell first try to get a patent?	Britain	[ "Alexander_Graham_Bell\n\nIn 1875, Bell developed an acoustic telegraph and drew up a patent application for it. Since he had agreed to share U.S. profits with his investors Gardiner Hubbard and Thomas Sanders, Bell requested that an associate in Ontario, George Brown, attempt to patent it in Britain, instructing h...
56df8d8438dc421700152037	Who did Bell ask to get a patent in Britain?	George Brown	[ "Alexander_Graham_Bell\n\nIn 1875, Bell developed an acoustic telegraph and drew up a patent application for it. Since he had agreed to share U.S. profits with his investors Gardiner Hubbard and Thomas Sanders, Bell requested that an associate in Ontario, George Brown, attempt to patent it in Britain, instructing h...
56df8d8438dc421700152038	What kind of telegraph did Bell create?	acoustic	[ "Alexander_Graham_Bell\n\nIn 1875, Bell developed an acoustic telegraph and drew up a patent application for it. Since he had agreed to share U.S. profits with his investors Gardiner Hubbard and Thomas Sanders, Bell requested that an associate in Ontario, George Brown, attempt to patent it in Britain, instructing h...
56df8e3e38dc42170015203e	What material did Elisha Gray use to convey sound?	water	[ "Alexander_Graham_Bell\n\nMeanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's la...
56df8e3e38dc42170015203f	On what date did Gray and Bell both put in for a patent?	February 14, 1876	[ "Alexander_Graham_Bell\n\nMeanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's la...
56df8e3e38dc421700152040	On what day did Bell get to Washington?	February 26	[ "Alexander_Graham_Bell\n\nMeanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's la...
56df8e3e38dc421700152041	What office in Washington did Bell and Gray visit?	U.S. Patent Office	[ "Alexander_Graham_Bell\n\nMeanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's la...
56df8e3e38dc421700152042	What sort of machine did Bell and Gray both try to patent at the same time?	telephone	[ "Alexander_Graham_Bell\n\nMeanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's la...
56df8ed54a1a83140091eb38	What number is Bell's patent?	174,465	[ "Alexander_Graham_Bell\n\nBell's patent 174,465, was issued to Bell on March 7, 1876, by the U.S. Patent Office. Bell's patent covered \"the method of, and apparatus for, transmitting vocal or other sounds telegraphically ... by causing electrical undulations, similar in form to the vibrations of the air accompanyi...
56df8ed54a1a83140091eb39	On what date did Bell get his patent?	March 7, 1876	[ "Alexander_Graham_Bell\n\nBell's patent 174,465, was issued to Bell on March 7, 1876, by the U.S. Patent Office. Bell's patent covered \"the method of, and apparatus for, transmitting vocal or other sounds telegraphically ... by causing electrical undulations, similar in form to the vibrations of the air accompanyi...
56df8ed54a1a83140091eb3a	Bell's patent was for the method and what for transmitting vocal and other sounds telegraphically?	apparatus	[ "Alexander_Graham_Bell\n\nBell's patent 174,465, was issued to Bell on March 7, 1876, by the U.S. Patent Office. Bell's patent covered \"the method of, and apparatus for, transmitting vocal or other sounds telegraphically ... by causing electrical undulations, similar in form to the vibrations of the air accompanyi...
56df8ed54a1a83140091eb3b	On what day did Bell go back to Boston?	March 7, 1876	[ "Alexander_Graham_Bell\n\nBell's patent 174,465, was issued to Bell on March 7, 1876, by the U.S. Patent Office. Bell's patent covered \"the method of, and apparatus for, transmitting vocal or other sounds telegraphically ... by causing electrical undulations, similar in form to the vibrations of the air accompanyi...
56df8ed54a1a83140091eb3c	Bell sketched a design that looked like the work of who?	Gray	[ "Alexander_Graham_Bell\n\nBell's patent 174,465, was issued to Bell on March 7, 1876, by the U.S. Patent Office. Bell's patent covered \"the method of, and apparatus for, transmitting vocal or other sounds telegraphically ... by causing electrical undulations, similar in form to the vibrations of the air accompanyi...
56df8f994a1a83140091eb47	What kind of transmitter did Bell put in his telephone?	liquid	[ "Alexander_Graham_Bell\n\nOn March 10, 1876, three days after his patent was issued, Bell succeeded in getting his telephone to work, using a liquid transmitter similar to Gray's design. Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit. When Bell s...
56df8f994a1a83140091eb49	How did Bell refer to his partner in his well known line?	Mr. Watson	[ "Alexander_Graham_Bell\n\nOn March 10, 1876, three days after his patent was issued, Bell succeeded in getting his telephone to work, using a liquid transmitter similar to Gray's design. Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit. When Bell s...
56df8f994a1a83140091eb4a	What did the vibrations cause to change?	electrical resistance	[ "Alexander_Graham_Bell\n\nOn March 10, 1876, three days after his patent was issued, Bell succeeded in getting his telephone to work, using a liquid transmitter similar to Gray's design. Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit. When Bell s...
56df930f38dc42170015206f	Bell implemented Gray's design as a what?	proof of concept	[ "Alexander_Graham_Bell\n\nAlthough Bell was, and still is, accused of stealing the telephone from Gray, Bell used Gray's water transmitter design only after Bell's patent had been granted, and only as a proof of concept scientific experiment, to prove to his own satisfaction that intelligible \"articulate speech\" ...
56df930f38dc421700152070	Bell stopped using the liquid-based method after what month?	March	[ "Alexander_Graham_Bell\n\nAlthough Bell was, and still is, accused of stealing the telephone from Gray, Bell used Gray's water transmitter design only after Bell's patent had been granted, and only as a proof of concept scientific experiment, to prove to his own satisfaction that intelligible \"articulate speech\" ...
56df930f38dc421700152072	Bell used his own design in all public demonstrations and what?	commercial use	[ "Alexander_Graham_Bell\n\nAlthough Bell was, and still is, accused of stealing the telephone from Gray, Bell used Gray's water transmitter design only after Bell's patent had been granted, and only as a proof of concept scientific experiment, to prove to his own satisfaction that intelligible \"articulate speech\" ...
56df93124a1a83140091eb62	What part of the telephone was investigated by the patent officer?	variable resistance	[ "Alexander_Graham_Bell\n\nThe question of priority for the variable resistance feature of the telephone was raised by the examiner before he approved Bell's patent application. He told Bell that his claim for the variable resistance feature was also described in Gray's caveat. Bell pointed to a variable resistance ...
56df93124a1a83140091eb63	When did Bell put in his prior patent?	February 25, 1875	[ "Alexander_Graham_Bell\n\nThe question of priority for the variable resistance feature of the telephone was raised by the examiner before he approved Bell's patent application. He told Bell that his claim for the variable resistance feature was also described in Gray's caveat. Bell pointed to a variable resistance ...
56df93124a1a83140091eb64	What liquid did Bell use in his first application?	mercury	[ "Alexander_Graham_Bell\n\nThe question of priority for the variable resistance feature of the telephone was raised by the examiner before he approved Bell's patent application. He told Bell that his claim for the variable resistance feature was also described in Gray's caveat. Bell pointed to a variable resistance ...
56df93a338dc421700152078	Who declared himself an alcoholic?	Zenas Fisk Wilber	[ "Alexander_Graham_Bell\n\nThe patent examiner, Zenas Fisk Wilber, later stated in an affidavit that he was an alcoholic who was much in debt to Bell's lawyer, Marcellus Bailey, with whom he had served in the Civil War. He claimed he showed Gray's patent caveat to Bailey. Wilber also claimed (after Bell arrived in W...

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