Accession No

3247

Brief Description

ammeter shunt, Weston Elec. Inst. Co., 1933

Origin

Newark; N.J.; U.S.A.

Maker

Weston Electric Instrument Co. Ltd

Class

electrical

Earliest Date

1933

Latest Date

1933

Inscription Date

Material

wood; plastic (ebonite)

Dimensions

length 172mm; breadth 136mm; height 91mm

Special Collection

Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 1985. Cambridge University Observatories

Inscription

‘PRECISION SHUNT
AMPERES
FOR USE WITH
MODEL I No.A39508
INST. DROP 100 MV.
INST. CURRENT 5 MA.
WESTON ELEC. INST. CORP.
NEWARK, N.J., U.S.A.’ (on metal plate on top)

Description Notes

Rectangular, sealed wooden box with ventilation holes in all six faces; two pairs of terminals each marked ‘+’ and ‘25’, one pair ebonite covered.

Condition: good; complete.

References

Events