Accession No

3350

Brief Description

portable, pivoted coil, pointer AC-DC ammeter, electrodynamometer type, range 0 to 100 amperes, by Evershed and Vignoles Ltd., English, 1929

Origin

England; London

Maker

Evershed and Vignoles Ltd.

Class

electrical

Earliest Date

1929

Latest Date

1929

Inscription Date

Material

metal (silver); glass; wood; hide (leather)

Dimensions

length 310mm; breadth 257mm; height 200mm

Special Collection

Provenance

Transferred from Department of Engineering, University of Cambridge, Cambridge, England, 1986.

Inscription

on dial: “ALTERNATING AND DIRECT CURRENT / AMMETER / No. 25702”
on brass plate on base of box (added): “ENGINEERING LAB / CAMB UNIV / SALOMONS BEQUEST / 1929”

Description Notes

Black and silver metal top with glazed window showing white dial with mirror; non-linear scale, o to 100; sealed in stepped wooden box with hinged lid and leather carrying handle; two plated metal terminals mounted on base of box. (Seals on two screws appear to read EB).

References

Events