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Reading Optometer (Badal pattern)
OPTOMETRIC INSTRUMENTS
optometer
F.A. Hardy & Co
North America: USA, Illinois, Chicago
c.1902
brass; metal
overall: 84 x 380 x 152 mm

Reading optometer. Handle missing. Brass cylindrical monocular eyepiece with double drop cell and left/right eye occluders. Black metal protractor bar marked with three scales including age scale 21 to 60. Brass gear-driven fixation target holder.


1999.338

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