Accession No

4101

Brief Description

scratch extensometer for tank tracks, attributed to Cambridge Instrument Company Ltd., England, c.1940

Origin

England [based on attributed maker]

Maker

Cambridge Instrument Company Ltd. [attributed]

Class

metrology; military;

Earliest Date

1940

Latest Date

1940

Inscription Date

Material

metal (steel, copper, at least 2 others)

Dimensions

length 207mm; breadth 45mm; thickness 40mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company in 1974.

Inscription

Description Notes

Black-painted steel bar with thick rings set at each end. Mounted on the centre of the bar is the extensometer wire set into a series of metal connections.

Condition poor (very rusty)

References

Events