answersLogoWhite

0


Best Answer

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.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: When did Thomas Edison invent the phonograph?
Write your answer...
Submit
Still have questions?
magnify glass
imp