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Near vision test card
TEST CHARTS
test chart
Europe: United Kingdom
Mid 20th c.
card
2021.502
TEST CHARTS
test chart
Europe: United Kingdom
Mid 20th c.
card
Two small test target cards for use in an optometric instrument. The first containsa single passage of text, on the subject of a man's education. The second contains four passages of text in descending letter size (N.14 to N.5).
2021.502