Accession No

2962

Brief Description

Twaddell mercury-in-glass hydrometer, 1900 (c)

Origin

Maker

Class

physics; metrology

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

glass; metal (mercury); paper

Dimensions

length 226mm

Special Collection

Provenance

Transferred from Department of Metallurgy, University of Cambridge, Cambridge, England, 31/03/1983.

Inscription

‘Twaddell’s Hydrometer No.3. Tp. 60oF.’

Description Notes

Twaddell hydrometer, glass. Mercury-weighted bulb, stem with printed paper scale inside 48-74 by 2 to 0.5.

Condition: fair; complete.

References

Events