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 ...

Working in Menlo Park, New Jersey, Edison gained fame through his various inventions, including the phonograph. His Kinetoscope, which showed moving images through a pinhole, was the forerunner to ...