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test chart
TEST CHARTS
illuminated test chart
Kirk Brothers
Europe: United Kingdom
Pre 1931
wood; metal
overall: 335 x 650 x 335 mm

Test chart. Horizontally wall-mounted, wood on iron brackets. Electrically illluminated. Four faces, one with sliding wooden shutter, featuring two astigmatic charts with hand-revolving discs and four Snellen test type charts (plus two other Snellen charts, not in situ). White electrical flex (modern).


2003.136

Gift of Mr Ron Rabbetts, 2003



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