Amplifier 1985854 | National Trust Collections

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Amplifier

Cragside © National Trust / Keith Smith

Category

Glass

Date

1908

Materials

Glass, Metal

Measurements

50 mm (Diameter); 90 mm (Length)

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Collection

Cragside, Northumberland

NT 1985854

Summary

An Audion amplifier made from glass with a metal Hudson filament.

Full description

An Audion amplifier made from glass with a metal Hudson filament.

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Materials

Glass (77281)
Metal (217472)

Category

Glass (29949)

Collection

Cragside, Northumberland (22253)

Periods

20th Century (259768)

Object Type

Amplifier (5)
Valve (76)