Accession No

2420

Brief Description

moving iron, pointer voltmeter, by Johnson and Phillips, English, 1915-1925 (c)

Origin

England; London

Maker

Johnson and Phillips Ltd.

Class

electrical

Earliest Date

1915

Latest Date

1925

Inscription Date

Material

metal; glass

Dimensions

diameter 200mm; height 112mm

Special Collection

Provenance

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

Inscription

‘50 (with symbol)
JOHNSON & PHILLIPS LIMITED
LONDON
No. 62194
B. S. 1st GRADE’ (on dial)
‘VOLTS’ (on front of case)

Description Notes

Black metal cylindrical case; glazed window showing white dial; non-linear scale, 0 to 200 divisions; zero adjustment screw below window; two mounting bolt/terminals extending from back.

Condition: good; complete.

References

Events