Gray's Auctioneers
Live Auction

Objects of Desire

Wed, Feb 25, 2026 10:00AM EST
Lot 60

Four RCA 8000 power triode vacuum tubes for radio.

Estimate: $200 - $400

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

Filament made of thoriated tungsten, designed for radio equipment in the early 20th century. Four pin ceramic bases by E.F. Johnson Technologies (1923- ).

H: 10 3/4 W: 4 D: 4 in.

Condition

Two lids have a 1 in crack and one has two 1 in. cracks. Untested.. Grime and wear commensurate with use.

Overall Dimensions
Width: 4.00

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From the Estate of John A. Davidson, Jr. Proceeds to benefit the APL of Lorain County and the Dittrick Museum.