Accession No

2412

Brief Description

moving coil, pointer ammeter, by Weston Electric Instrument Company, 1920 (c)

Origin

U.S.A.; New Jersey; Newark

Maker

Weston Electric Instrument Company

Class

electrical

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

metal; glass

Dimensions

length 117mm; breadth 111mm; height 37mm

Special Collection

Provenance

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

Inscription

‘AMPERES D.C.’ (on dial)
‘WESTON
MODEL 280 No. 33740
WESTON ELEC. INST. CORP. NEWARK N.J. U.S.A.’ (on plate fastened to case)
‘Ph. Chem.’ (on case (added))

Description Notes

Metal case; glazed window showing white dial and mirror; scales, 0 to 0.5, 5, and 10 divisions; four plated matel terminals, labelled ‘+’, ‘0.5 AMPS’, ‘5 AMPS’, and ‘10 AMPS’.

Condition: good; complete.

References

Events