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Chibret's Chromatophotoptometre
COLOUR VISION TESTS
colour vision test
Izarn, M.; Colardeau, E.; Giroux, E.
Europe: France, Paris
Late 19th c.
brass
overall: 60 mm x 203 mm x 70 mm

Brass cylindrical instrument with scale marked 0-15. Horizontal adjustable disc marked for four colours. Upright scale in black metal with pointer marked 0-45. Swivelling intensity filter. Finger ring handle.


1999.3971

Gift, 1932



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