Accession No

4309

Brief Description

Resistor, 1 ohm, by Cambridge Scientific Instrument Company Ltd., English, c.1903

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

electrical

Earliest Date

1903

Latest Date

1903

Inscription Date

Material

plastic (ebonite); metal (copper, brass, wire)

Dimensions

length 133mm; breadth 64mm; height 96mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

on top of cover: “CAMBRIDGE / SCIENTIFIC INSTRUMENT CO. LTD. / ENGLAND No. 2148 / 1 ohm”
on base: “306”

Description Notes

Similar to Wh: 4252; fair condition, brass tarnished; complete

4252:
Rectangular ebonite base; pair of parallel copper rods on either side, one pair ending in brass terminals; wire wound on wooden bobbin fixed to top of base; cylindrical brass cover, with ventilation holes, held in place with central bolt and knurled nut.

References

Events