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pupillometer / P.D. Gauge
OPTOMETRIC INSTRUMENTS
pupillometer
c.1900
metal
1999.3066
OPTOMETRIC INSTRUMENTS
pupillometer
c.1900
metal
White metal pupillometer consisting of circular-section bar and two marker rods protruding, one of which slides on a sprung ratchet. 2-3 inch scale. Each rod ends in a white sphere.
1999.3066
Gift of Alfred W. Oxbrow, 1931