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test chart
TEST CHARTS
test chart
Europe: United Kingdom
Late 20th c.
perspex
overall: 494 mm x 187 mm

Snellen-type non-serif reversed test letter chart. Ten rows of black lettering on clear transparent perspex sheet. Sizes 60, 36, 24, 18, 12, 9, 6, 5, 4, 3.


2011.682

Gift of the Marton Library Trust, 2011



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