A Treasure Trove of Discoveries
Wed, Mar 18, 2026 11:00AM EDT
Lot 114
De Forest 2 Stage Amplifier and Battery
Estimate: $400 - $600
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $10 |
| $200 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $200 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $20,000 | $2,000 |
| $50,000 | $5,000 |
| $100,000 | $10,000 |
| $200,000 | $50,000 |
| $1,000,000 | $100,000 |
De Forest 2 Stage Amplifier and Battery, 20th Century,
De Forest Radio Telephone & Telegraph Company 1922 two dial amplifier in a pine case with detachable lid, Type DT-800, and a pine cased battery.
Battery Dimensions: H: 8 1/4 x W: 14 x D: 7 3/8 in.
Radio Collector`s Guide 1921-1932
Collector's Guide to Antique Radios 4. Edition
Literature/Schematics (1)
Radio Manufacturers of the 1920s, Vol 1 (Page 173)
Condition
Untested. Battery case has an alligator finish. Wear commensurate with age. Legible instructions included inside top cover.
When you’re the winning bidder on an item from Gray’s Auctioneers, you have three options for claiming your new treasure: 1. You can schedule an appointment to pick it up at 10717 Detroit Avenue in Cleveland, Ohio. 2. You can arrange for a third party service like UPS to pick up, pack, and ship your item. Two recommended UPS Stores are: store1308@theupsstore.com (440.333.4810); store1016@theupsstore.com (330-725-7033 press 9). 3. If you would like fine art craters or for blanket wrap shipping services, please contact Gray's.
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