answer stringlengths 1 239 ⌀ | question stringlengths 1 25.7k |
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sign language | Bell's goal was to instruct the deaf to speak and not use what? |
tied behind their backs | What would happen so some children's hands in schools? |
negative | In what light to many pro-deaf people see Bell? |
signing | What was the only language many deaf people had? |
Boston University School of Oratory. | With what school did Bell get his next teaching job? |
Vocal Physiology and Elocution | What was Bell's discipline? |
experiments | What did Bell do late at night? |
headaches | What health condition did Bell start to have? |
1873 | In what year did Bell start to focus on research into sound? |
Mabel Hubbard | Bell's two remaining students were "Georgie" Sanders and who? |
Thomas Sanders | What was Georgie's father's name? |
scarlet fever | What disease made Mabel deaf? |
15 | How old was Mabel when she became deaf? |
smoked glass | On what material did the phonautograph operate? |
metal | What kind of reed did Bell want to play with? |
sound | What did Bell believe the reeds would turn the signal into? |
pen | What instrument is a phonautograph similar to? |
1874 | In what year was Bell really working on his telegraph? |
Western Union | What business was William Orton in charge of? |
nervous system | In 1874 the telegraph was known as the what of commerce? |
cost | What was the primary motivation for not building new telegraph lines? |
Elisha Gray | Thomas Edison and what other scientist were already asked to work on a better telegraph? |
Joseph Henry | Who did Bell go to see in 1875? |
Joseph Henry | Who ran the Smithsonian in 1875? |
Get it! | What was Henry's reply to Bell's statement that he lacked information to complete his telegraph? |
Thomas A. Watson | Who did Bell meet in 1874? |
electrical machine | What kind of business did Watson work at? |
Thomas Watson | Who did Bell take on to work with him? |
June 2 | What month and day did Watson and Bell have a breakthrough? |
1 | How many reeds did Bell conclude he needed? |
gallows | What name was given to the telephone that sort of worked? |
Sanders and Hubbard | Who gave money to Bell and Watson? |
U.S. profits | What did Bell promise to split with his financers? |
Britain | In what country other than the U.S. did Bell try to patent his telegraph? |
Britain | Which country did Bell first try to get a patent? |
George Brown | Who did Bell ask to get a patent in Britain? |
acoustic | What kind of telegraph did Bell create? |
water | What material did Elisha Gray use to convey sound? |
February 14, 1876 | On what date did Gray and Bell both put in for a patent? |
February 26 | On what day did Bell get to Washington? |
U.S. Patent Office | What office in Washington did Bell and Gray visit? |
telephone | What sort of machine did Bell and Gray both try to patent at the same time? |
174,465 | What number is Bell's patent? |
March 7, 1876 | On what date did Bell get his patent? |
apparatus | Bell's patent was for the method and what for transmitting vocal and other sounds telegraphically? |
March 7, 1876 | On what day did Bell go back to Boston? |
Gray | Bell sketched a design that looked like the work of who? |
liquid | What kind of transmitter did Bell put in his telephone? |
Mr. Watson | How did Bell refer to his partner in his well known line? |
electrical resistance | What did the vibrations cause to change? |
proof of concept | Bell implemented Gray's design as a what? |
March | Bell stopped using the liquid-based method after what month? |
commercial use | Bell used his own design in all public demonstrations and what? |
variable resistance | What part of the telephone was investigated by the patent officer? |
February 25, 1875 | When did Bell put in his prior patent? |
mercury | What liquid did Bell use in his first application? |
Zenas Fisk Wilber | Who declared himself an alcoholic? |
Civil War | In what war did Wilber and Bailey fight together? |
$100 | How much did Wilber say Bell gave him in order to look at Gray's paperwork? |
technical details | What did Bell only admit to knowing in a letter? |
Mount Pleasant | From what city did Bell send his first message? |
fences | Bell sent messages over wires hooked onto telegraph lines and what? |
reading and singing | What did the group at the Bells house hear other people doing? |
$100,000 | How much did Bell et al. try to sell his patent for? |
Western Union | Who did Bell et al. try to sell his patent to? |
a toy | What did the President think the telephone was, such that he refused to buy the patent? |
$25 million | How much the the President of Western Union want to pay for the patent later on? |
Philadelphia | In what city was the 1876 Centennial Exposition? |
Emperor Pedro II | What important person saw the telephone at the Centennial Exposition? |
Brazil | Pedro II was the Emperor of what Country? |
Victoria | Which Queen did Bell present his invention to? |
1877 | In what year was the Bell Telephone Company founded? |
150,000 | How many people in the United States had a telephone by 1886? |
1879 | In what year did Bell get some of Edison's patents? |
carbon microphone | What addition let people stop yelling into the telephone? |
Western Union | What company did Bell acquire the carbon microphone from? |
January 1915 | In what month and year did Bell telephone across the country? |
AT&T | What company office did Bell make the original cross country phone call from? |
New York | What city did Bell make the first cross country call from? |
San Francisco | What city did Bell make the first cross country call to? |
Thomas Watson | Who was on the other end of the first cross country phone call? |
18 | During how many years did the Bell Company battle lawsuits? |
587 | How many times were Bell's patents contested? |
5 | How many of the court cases wound up at the Supreme Court? |
Amos Dolbear | Elisha Gray and what other man were behind many of the court cases? |
misrepresentation | In 1887 the US Government wanted to undo Bell's patent due to fraud and what? |
Supreme Court | The US Government lost the bid to overturn Bell's patent in what court? |
9 | How many years did Bell and the US Government fight in court? |
precedent | What excuse did the judges have for the trial despite the fact that the patents had expired? |
November 30, 1897 | On what date did the US Government stop legal action? |
Antonio Meucci | Who claimed to have invented the in 1834? |
3 | How many court trials did Meucci participate in? |
American District Telegraph (ADT) | At what company were Meucci's prototypes supposedly lost? |
1901 | In what year did Western Union absorb ADT? |
death | What event caused Meucci's trials to be dropped? |
royalties | Because of their patent, what didn't Siemens & Halske have to give Bell? |
Brussels | What was the home city for the International Bell Telephone Company? |
1880 | In what year was the International Bell Telephone Company founded? |
Mabel Hubbard | Who did Bell marry in 1877? |
4 | How many children did Bell and Mabel have? |
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