Accession No

1542

Brief Description

standard resistor, British association pattern, 3 000 ohms, by Elliot Brothers, English, 2nd 1/2 19th Century

Origin

England; London

Maker

Elliott Brothers

Class

electrical

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

plastic (ebonite); metal (copper, brass)

Dimensions

length 204mm; breadth 64mm; height 210mm

Special Collection

Cavendish Collection?

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge.

Inscription

on block: “3000 OHMS / No. 39 / ELLIOT BROS. / LONDON”
on block (added): “E 328”

Description Notes

Circular ebonite top; two parallel copper rod connectors passing through top are bent (twice) to vertical, and held in place by ebonite block; wire wound on brass bobbin fixed to second circular ebonite plate; enclosed in stepped-diameter cylindricl brass case, not fixed by screws; thermometer hole passes through centre of case.

References

Events