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Astigmatism Chart
TEST CHARTS
astigmatism test
Institute of Ophthalmic Opticians
Europe: United Kingdom, England, London
1930s
cardboard
overall: 610 x 482 mm
2006.398
TEST CHARTS
astigmatism test
Institute of Ophthalmic Opticians
Europe: United Kingdom, England, London
1930s
cardboard
overall: 610 x 482 mm
Astigmatic test chart consisting of fan chart and revolving disc chart on cardboard backing board. Black suspension cord.
2006.398
Gift of Mr Jan Kopernicki, 2003