On this Day Factola
January 30, 1878
Edison signs agreement for Phonograph to be developed as a Business Machine
On this day Edison signed an agreement for commercial exploitation of the phonograph in the United States.
This photograph shows a Congressional Reporter using a cylinder dictating machine, in its role as a business machine, to transcribe records (from the Library of Congress, circa 1908).
LC-USZ62-70786 (b&w film copy neg.)