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De Forest Audiotron Radio Valve, by De Forest, Early 20th Century

Inventory Number: 99552

99552-2t 99552-1t


Date: Early 20th Century

Maker Details: Attributed to De Forest.

Inscription: None

Size: 100 mm in overall length

Materials: Copper?, glass, assorted metals.

Other Given Number(s): Christie's 200.


Notes:

De Forest Audiotron Radio Valve, in cylindrical form with interior copper? coil with metal band around interior of tube. With assorted wires.


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