BS 623:1940

Date published: 20/05/40

Specification for colours for signal glasses for railway purposes

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Colorimetric and photometric requirements, limits for colour quality (illustrated by a curve), methods of test.

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AS/NZS 4257.4:1994
Plastic roof and wall cladding materials - Methods of test - Determination of diffuse light transmission
BS 1376:1974
Specification for colours of light signals
BS 5252:1976
Framework for colour co-ordination for building purposes
BS 5252F:1976
Colour matching fan

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