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keratometer
OPTOMETRIC INSTRUMENTS
keratometer
F.A. Hardy & Co
North America: USA
Early 20th c.
metal; brass; wood
overall: 610 x 475 x 580 mm

Large parabolic bowl keratometer. Black painted metal with polished brass stem, scale and draw tubes. Tripod stand. Separate base with adjustable wooden chin rest (on brass spring ratchet), leather padding at forehead level, two swing-over occluders and four two-pin power fittings at each corner.


2004.21

Ex Keeler Collection



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