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Ffooks Symbol Cube
TEST CHARTS
near vision test
Clement Clarke Ltd
Europe: United Kingdom, England
c.1993
plastic
overall: 97 x 97 x 97 mm

Test block, white plastic, with different sized open circle, square and triangle shapes on each face. (Snellen sizes 6/6, 6/9, 6/12, 6/18, 6/24, 6/36).


2006.558

Gift of Mr Tim Bowden, 2006



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