July 14th, 2011
Category:
Search By:
This lot is closed for bidding. Bidding ended on 7/14/2011
De FOREST, Lee (1873-1961)was an American inventor with over 180 patents to his credit. De Forest invented the Audion, a vacuum tube that takes relatively weak electrical signals and amplifies them. De Forest is one of the fathers of the "electronic age", as the Audion helped to usher in the widespread use of electronics. He is also credited with one of the principal inventions which brought sound to motion pictures. Autograph Letter Signed “Lee de Forest” 1pp. quarto, on his Lee De Forest Laboratories stationary, September 12, 1934, and reads “ I much appreciated your nice letter of felicitations on my birthday. As you see, I am now living and working where I have always wished to live & work - in California. This largely accounts for the fact that I feel as young and am in as good, or better, health than I was 10 years ago in New York City...” Fine condition.
Click on a thumbnail above to display a larger image below
Hold down the mouse button and slide side to side to see more thumbnails(if available).

He Invented the Audion - Lee De Forest Autograph Letter Signed

Click above for larger image.
Bidding
Current Bidding
Minimum Bid: $200.00
Final prices include buyers premium.:
Auction closed on Thursday, July 14, 2011.
Email A Friend
Ask a Question
Have One To Sell

Auction Notepad

 

You may add/edit a note for this item or view the notepad:  

Submit    Delete     View all notepad items