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Scripture's Colour Sense Tester
COLOUR VISION TESTS
colour vision test
North America: USA
c.1899
metal; wood
overall: 234 mm x 88 mm

Colour vision test instrument consisting of a fixed white metal disc containing three filters, (clear, blue and green), in front of which revolves a second disc with a milled edge, containing twelve apertures labelled A to L. (i.e. several coloured glass filters missing). Central fixing screw. Wooden handle.


1999.707

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