Accession No

2441

Brief Description

moving coil, pointer galvanometer, Weston Elec. Inst. Co., 1935

Origin

Maker

Weston Electric Instrument Co. Ltd

Class

electrical

Earliest Date

1935

Latest Date

Inscription Date

Material

plastic (ebonite); glass; wood; hide (leather)

Dimensions

box breadth 212mm; depth 205mm; height 134mm

Special Collection

Provenance

Transferred from Department of Physical Chemistry, University of Cambridge, Cambridge, England, 1978.

Inscription

‘WESTON D.C. VOLTMETER
MODEL E45 No. 11109’ (on dial)
‘WESTON ELECTRICAL INSTRUMENT CO. LTD.
MODEL E45 No. 11109
KINGSTON BY-PASS, SURREY, ENGLAND’ (on metal plate)
‘PHO.C.L. R.S.G’ (on box (added))

Description Notes

Ebonite face with glazed window showing white dial and mirror; scales, 0 to 3, 30 and 150 divisions; four ebonite-covered terminals labelled ‘+’, ‘3’, ‘30’, and ‘150’ on circular ebonite discs. In wooden carrying case with hinged lid and leather handle. Certificate fixed inside lid signed and dated ‘February 18th, 1935’. Small label: ‘Tested 12/7/45 RES’ and, on the back in pencil: ‘Royal Society’.

Condition: good; complete.

References

Events