Cruickshank's galvanic trough, 1801-1838.

Cruickshank's galvanic trough, 1801-1838.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

This voltaic battery, devised by Cruickshank in 1800 and made by R & G Knight of London, is an improvement on Volta's original 'pile'. The copper-zinc pairs are mounted on separate compartments in a wooden box, forming a horizontal series of 50 pairs. The cells are filled with a solution of common salt, or with dilute acid. This type of battery retained its charge much longer than the original Volta pile type.

© Science Museum / Science & Society Picture Library

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