Accession No

4456

Brief Description

decade resistance box, by H. Tinsley and Company, English, first half 20th Century

Origin

England; London

Maker

H. Tinsley and Company

Class

electrical

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

wood; metal (brass, copper, white metal); glass; ebonite

Dimensions

length 506mm; breadth 159mm; height 186mm

Special Collection

Provenance

Transferred from the Department of Engineering, University of Cambridge, on 07/12/1993.

Inscription

‘H. TINSLEY & CO NO. 11178 LONDON. S.E.’ (top)

Description Notes

Decade resistance box, by H. Tinsley and Co., English, first half 20th Century.

Wooden box with ebonite top; two brass terminals; four eleven-position rotary switches with ebonite knobs and glass-encased settings (0 to 10, 100, 1000 and 10000) ohms. Resistance given as ‘RESIDUAL RESISTANCE .01 OHM’. Also values given as ‘OHMS AT 20˚C’.

Condition good; complete

References

Events