Accession No

4084

Brief Description

Du Noüy tensiometer, by Cambridge Instrument Company Ltd., English, 1954

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

weights & measures

Earliest Date

1954

Latest Date

1954

Inscription Date

Material

metal (iron, brass, at least 3 white metals)

Dimensions

length 238mm; breadth 255mm; height 280mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘DYNES PER CENTIMETRE
DU NOÜY TENSIOMETER
Cambridge Instrument Co. Ltd.,
England.
C588164’ (disc with scale)

Description Notes

Black-painted cast iron tripod base with two brass levelling screws with knurled heads. White shaft to which is clamped a horizontal arm ending in a short pillar; set on top of the pillar is a black-painted metal disc, whose height can be adjusted by a knurled brass screw at the base of the pillar. At the top of the central pillar is a black-painted metal bar which carries a clamp with worm-gear and knurled brass screw at each end. Stretched between the clamps is a torsion wire, which carries the support for a wire arm. One of the gearing mechanisms is attached to a large disc with a scale divided 0 - [110] dynes/cm, numbered by 10, subdivided to 1, with vernier reading to 0.1.

Condition fair; incomplete (tension testing arm missing.

References

Events