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test chart
TEST CHARTS
test chart
Europe: United Kingdom
Mid-late 20th c.
cardboard; string; metal
overall: 588 mm x 214 mm

Snellen-type non-serif test letter chart. Nine rows of black lettering on white sheet of cardboard. Sizes 60, 36, 24, 18, 12, 9, 6, 5, 4. String at top for suspension.


2023.289

Gift of Mrs Julie Goddard, 2023



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