Accession No

4538

Brief Description

galvanometer, early 20th C.

Origin

Maker

Class

electrical

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

metal (brass, white metal, copper); glass; hide (leather); cloth (cotton)

Dimensions

length 147mm; diameter 106mm; thickness 49mm

Special Collection

Provenance

Gifted by the Department of Zoology, University of Cambridge, on 03/07/1991.

Inscription

‘G.P.O.
346’ (stamped into side)

Description Notes

Short cylindrical brass-cased moving pointer galvanometer with glazed front, brass terminals on opposite sides of case; central magnet in leather casing on brass mount with cotton covered wires leading to terminals. Pointer moving over scale above magnet divided 40 - 0 - 40 numbered by 10, divided to 1. Mirror underneath scale. Celluloid window in top.

Condition fair (some corrosion and needle broken ?); complete

References

Events