Accession No

1436

Brief Description

Clark's Standard Electrochemical Cell, part of the original equipment in the Cavendish Laboratory, by Warden, Muirhead and Clark, English, 1875 (c)

Origin

England; London; Westminster

Maker

Warden, Muirhead and Clark

Class

electrical

Earliest Date

1865

Latest Date

1885

Inscription Date

Material

plastic (ebonite); metal (brass, zinc, mercury); glass

Dimensions

height 84mm; diameter 50mm

Special Collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge. This is one of the original instruments in the Cavendish Laboratory. Maxwell writes, in the Cambridge University Reporter, 27 April, 1875, p.352: ‘presented by Mr. Latimer Clark: Constant Voltaic Standard Cell’. Listed in the Cavendish Alphabetical Catalogue: ‘Clark’s cll. B.A.Reprot XLI (1871) p.47-48’; Cavendish Laboratory, Number: E 85

Inscription

“CLARK’S STANDARD / Element / No. 141 / Warden Muirhead & Clark / WESTMINSTER” (on top);
“E 85 (illegible)” (on top, added)

Description Notes

Clark Standard Electrochemical Cell, by Warden, Muirhead & Clark, dec. 1875.

Circular ebonite top; two brass terminals, marked ‘Zn’ and ‘Hg’; brass cylindrical cup; tops of glass tube and zinc rod visible inside cup.

Electrodes broken inside case.

Complete

References

Events