Description:

LEE DE FOREST
(1873-1961) 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. Partly printed D.S. "Lee de Forest", 1p., 4to., [n.p.] May 15, 1943, a certificate of merit to James Tiong for outstanding achievement in mathmatics for service to the United States as a Technical Radio Specialist. Simply framed and in fine condition.

Accepted Forms of Payment:

Discover, MasterCard, Money Order / Cashiers Check, Paypal, Personal Check, Visa, Wire Transfer

Shipping

Shipment is sent USPS priority, USPS International Express (for most overseas) or UPS Ground at the auctioneer's option, signature required, unless other arrangements are made. Handling, shipping and insurance charges will be added to the invoice in one entry. Buyers should be aware that large, framed, fragile or odd shaped items can incur substantial shipping and packing charges. NOTE: large, heavy or bulky items are not shipped by the auctioneer. Client is responsible for arranging shipping for these pieces. Please see "Bidding Procedures" for contact information of recommended shippers. Customers who supply their own courier account number will still be charged a handling fee.

May 9, 2012 11:00 AM EDT
Stamford, CT, US

Alexander Historical Auctions LLC

You agree to pay a buyer's premium of 22.5% and any applicable taxes and shipping.

View full terms and conditions

Bid Increments
From: To: Increments:
$0 $99 $10
$100 $499 $20
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 + $1,000