On December 7, 1877 Thomas Edison demonstrated his phonograph at the New York City offices of the nation's leading technical weekly publication, Scientific American. The following report set off ...

Chemical developments originating from the West Orange laboratory included plastics and waxes for disc and cylinder phonograph records, nickel-iron alkaline electric storage batteries, and ...

Building upon his work with the telegraph and telephone, Thomas Edison ... Delivered weekly. Sign Up The phonograph’s potential was immediately recognized, with Edison envisioning applications ranging ...

With little formal education, Thomas Edison gained experience as a telegraph operator and then went on to invent several electricity inspired devices like the phonograph, the incandescent light bulb, ...

But the ‘Wizard’ is revered for his contributions to the light bulb, the phonograph, the telephone transmitter and the motion picture camera. “Thomas Edison is probably the most brilliant inventor ...