Accession No

1354

Brief Description

pivoted magnet, tangent galvanometer, single-turn Gaugain type, by Elliott Brothers, mid 1/2 19th Century

Origin

England; London

Maker

Elliott Brothers

Class

electrical

Earliest Date

1825

Latest Date

1875

Inscription Date

Material

wood; metal (brass, copper, magnet); glass; paper

Dimensions

height 490mm; breadth 395mm; depth 240mm

Special Collection

Cavendish Collection?

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge.

Inscription

on rectangular ivorine plate set into base: “ELLIOT BROS. / STRAND / LONDON”
on brass plate on base (added): “E661”

Description Notes

Circular wooden base; three brass levellng screws; rotating central pillar with brass clamping screw; single-turn copper vertical circle with threaded brass terminals; brass case with glass top containing horizontally pivoted magnet and divided circle paper scale, 1-degree divisions magnet coaxial with copper circle, at a distance from the coil centre equal to half its radius.
Good condition; incomplete (glass top to magnet case missing)

References

Events