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distance vision test Mid 20th c. View |
distance vision test and astigmatism fan Curry & Paxton Early 20th c. View |
H.M. Factory Inspectorate Test Card for Central Vision F.313 Ministry of Labour and National Service October 1957 View |
Lea-Screener Lea Test Ltd; Precision Vision 1990s View |
Lea-Screener - Contrast sensitivity test and Visual Acuity Chart featuring LH symbols Precision Vision; Hyvarinen, Lea Late 20th c. View |
Logarithmic Visual Acuity Chart 2000 - Chart 1 Precision Vision Late 20th c. View |
Number Plate Test 1930s View |
Pediatric Visual Acuity Test System Precision Vision; Hyvarinen, Lea c.2000 View |