Objects

Forrest Scotometer Wand Targets
OPTOMETRIC INSTRUMENTS
scotometer (part)
Ellis Optical Company
Europe: United Kingdom
c.1960-1969?
brass; wood; cardboard
overall: 17 mm x 73 mm x 55 mm

Four pairs of brass pins with coloured heads (green, red, blue and white) set into black wooden base fixed inside silver-coloured cardboard box with separate lid. Intended as 'objects' for the folding version of Forrest's scotometer for plotting out small scotomatous areas in the central field (product no 56/1550).


1999.4032

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