Accession No

2961

Brief Description

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

Origin

Germany

Maker

Class

physics; metrology

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

glass; metal (mercury); paper

Dimensions

length 216mm

Special Collection

Provenance

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

Inscription

‘Twaddell’s Hydrometer. No.6. Tp.60o Fahr.
Made in Germany’

Description Notes

Twaddell hydrometer, glass. Mercury-weighted bulb, stem with printed paper scale inside. Graduated 134-170

References

Events