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Maddox Wing Test
ORTHOPTIC INSTRUMENTS
heterophoria test
Europe: United Kingdom
Mid 20th c.
brass
2001.308
ORTHOPTIC INSTRUMENTS
heterophoria test
Europe: United Kingdom
Mid 20th c.
brass
Wing test. Blackened brass instrument with paper scale, sliding red wire indicator, folding handle. Binocular round eyepieces with slit apertures and double drop lens cells behind.
2001.308
Gift of Arthur C. Mawson in memory of H.P. Southcott, 2001