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History of Science Museum

Glass Plate with Triangle of Different Colours (Haldane Apparatus)

Inventory Number 95045


Item type
Object
Provenance
Presented by Mrs Lois Godfrey in 1967. Among items taken by the Museum from the private laboratory of her grandfather J. S. Haldane, prior to the demolition of his house (the site of Wolfson College, Oxford).
Physical material
Glass
Leather
Copper Alloy
Inventory No
95045
Accession Number
1967-66A

Description

Leather envelope with copper alloy clasp and silk lining containing 2 sheets of glass held together with black tape. In side the glass is a triangle made from different coloured rhomboid and triangle shapes, and the letters R, Y, G, B, V, P, N - referring to the colours of the shapes (Red, Yellow, Green etc. - N possibly for Neutral).