Accession No

2427

Brief Description

Resistance box, by W. G. Pye and Co., English, c. 1940

Origin

England; Cambridge

Maker

W. G. Pye and Co.

Class

electrical

Earliest Date

1940

Latest Date

1950

Inscription Date

Material

wood; plastic (ebonite); metal (brass)

Dimensions

length 322mm; breadth 134mm; height 100mm

Special Collection

Provenance

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

Inscription

‘CONSTANTAN COILS OHMS AT 17 CENT.
No. 9122
W.G. PYE & CO. CAMBRIDGE ENG.’ (on top)
‘12’ (on top, added)

Description Notes

Resistance box, by W. G. Pye & Co., English, c. 1940.

Rectangular wooden box with ebonite top; two brass terminals; three eleven-position rotary switches with ebonite knobs and metal pointers (0 to 1, 10 and 100 ohms); ten coils wound on wooden bobbins arranged in circular frame for each switch, fastened to underside of top plate.

Condition: good; complete.

References

Events