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Illuminated OXO Fixation Disparity Test
TEST CHARTS
test chart
Europe: United Kingdom
20th c.
plastic
overall: 170 x 202 x 73 mm

Electrically-illuminated OXO test mounted within black plastic box. Revolving disc. On-off switch. Holes for screw-mounting to a wall. Black flex.


2001.259

Gift of Arthur C. Mawson in memory of H.P. Southcott, 2001



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