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Test chart
TEST CHARTS
test chart
Ciba-Geigy AG
Europe: Switzerland
September 1988
cardboard
overall: 370 mm x 128 mm
2019.840
TEST CHARTS
test chart
Ciba-Geigy AG
Europe: Switzerland
September 1988
cardboard
overall: 370 mm x 128 mm
Distance test chart bearing descending sized optotypes on seven lines (60, 36, 24, 18, 12, 9, 6). Includes also a promotional image of a green apple. Reverse includes sticky pads for wall-mounting and a promotion for the pain relief drug Voltarol Retard.
2019.840
Transferred from George Eliot Hospital NHS Trust, Nuneaton, 2019