Accession No

2001

Brief Description

electric lamp, 4/4 19th C

Origin

Maker

Class

electrical

Earliest Date

1875

Latest Date

1900

Inscription Date

Material

glass; metal (brass, white metal, tungsten (?)); cloth (cotton, cotton wool); rubber

Dimensions

length 220mm; maximum diameter 83mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

Description Notes

Glass bulb containing coiled tungsten (?) filament. Brass holder has cylindrical tube underneath which carries the copper wires, wrapped in cotton (rubber casing as well above holder).

Condition good (some tarnishing to brass); complete.

References

Events