Light bulb 1986348 | National Trust Collections

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Light bulb

Siemens AG

Cragside © National Trust / Keith Smith

Category

Glass

Date

1925 - 1939

Materials

Glass, Tungsten, Mica

Measurements

92 mm (Diameter); 184 mm (Length)

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Collection

Cragside, Northumberland

NT 1986348

Summary

An egg shaped light bulb made from glass with a tungsten filament and a bayonet fitting type. Manufactured by Siemens.

Makers and roles

Siemens AG, manufacturer

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Materials

Glass (77321)
Tungsten (225)
Mica (74)

Category

Glass (29960)

Collection

Cragside, Northumberland (22311)

Periods

20th Century (260443)

Maker

Siemens AG (59)

Object Type

Light bulb (2054)