K/PP107/11/3/3

Dated 1830-1845. From Scientific apparatus, musical instruments and telegraph equipment, [1834-1875].

Pyrometer designed by John Frederic Daniell (1790-1845), chemist and Professor at King’s College London, used to determine high temperatures by measuring the expansion of metal. Brass instrument in bespoke wooden box.  Possibly used by Wheatstone for teaching.