16
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
77230
7126
2

jan 22, 1923 - Demonstration by Lee De Forest of a sound-on-film process

Added to timeline:

27 Sep 2017
0
0
150
New timeline

Date:

jan 22, 1923
Now
~ 95 years ago
PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy