it depends on what year but i believe he had one when he was about 40
nobody helped him with the phonograph thomas only got help with the light bulb
The Diary of Thomas A. Edison, Phonograph and Phonograph Graphophone, Tomas A. Edison papers and Thomas Edison on Money and banking are the books that were written by Thomas Edison. Thomas was an American businessman and inventor.
The phonograph.
Thomas Edison invent the phonograph in August 12, 1877 Menlo Park.
what is the purpose of the phonograph by thomas alva Edison
The phonograph was invented by Thomas Edison in 1877.
thomas Edison
Thomas Edsion invented the phonograph and the light bulb.
Thomas Edison invented the phonograph in 1877.
Thomas invented the phonograph in the year of 1878 and took him 30 hours with a little help from his Friend john kruesi.Edison is credited with the invention of the phonographin 1877.thomas Edison invented the phonograph in the year 1877. he demonstrated the phonograph on Dec.7th 1877 at the office of SCIENTIFIC AMERICAN.
Thomas Edison did not invent the phonograph, it was actually invented by his colleague, Alexander Graham Bell, in 1877. Edison is best known for inventing the phonograph and the light bulb.
Thomas Edison Built The First Phonograph In 1877.