Accession No

6868

Brief Description

calorimeter, originally with worm inside, used at the Cavendish Laboratory, late 19th to early 20th Century

Origin

Maker

Class

electrical

Earliest Date

1874

Latest Date

1920

Inscription Date

Material

metal (copper, brass, solder, steel); wood (cork and 1 other)

Dimensions

box length 170mm breadth 166mm height 168mm

Special Collection

Provenance

It is recorded in the Cavendish Laboratory's 1894 alphabetical catalogue of apparatus on p.23.

Inscription

Description Notes

wooden box with push fit lid. Contains large hollow copper cylinder and smaller hollow copper cylinder. Latter has a cork bung through which are threaded two copper wires with brass terminals; the wires have a copper spring (heating element?) attached underneath. A third wire is pushed into the bung underneath and bent in a horizontal circle at the other end to act as a stirrer. Central hole for thermometer. The larger cylinder has remains of 3 brass hooks for support system for central chamber.

The Cavendish Laboratory's 1894 alphabetical catalogue of apparatus records that it had a worm inside.

References

Events