WASHINGTON (Reuters) - Nine years after he placed the first telephone call, Alexander Graham Bell tried another experiment: he recorded his voice on a wax-covered cardboard disc on April 15, 1885, and ...

CC0 Usage Conditions ApplyClick for more information. https://insider.si.edu/2013/04/hear-my-voice-smithsonian-identifies-130-year-old-recording-as-alexander-graham ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. While trying to improve the telegraph, Scottish-born inventor Alexander Graham Bell discovered that the voice could be ...

If Alexander Graham Bell were around today, that might be how he'd summon his intrepid assistant, Thomas Watson. Of course, for some oldheads that message might take a minute to decipher, or just give ...