'The 1st phonograph, a hand-cranked model, was devised by the Wizard in 1877 at this lab site'
Menlo Park
EDISON & THE PHONOGRAPH: The 1st phonograph, a hand-cranked model, was devised by the Wizard in 1877 at this lab site
The 1st phonograph, a hand-cranked model, was devised by the Wizard in 1877 at this lab site
The 1st phonograph, a hand-cranked model, was devised by the Wizard in 1877 at this lab site
EDISON & THE PHONOGRAPH
Menlo Park
EDISON & THE PHONOGRAPH