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DeZeng's Refractometer
OPTOMETRIC INSTRUMENTS
refractometer
Cataract Optical Co
North America: USA, New York State, Buffalo
Late 19th c.
metal
overall: 340 x 200 x 240 mm
1999.3026
OPTOMETRIC INSTRUMENTS
refractometer
Cataract Optical Co
North America: USA, New York State, Buffalo
Late 19th c.
metal
overall: 340 x 200 x 240 mm
Refractometer in grey metal with black tripod stable stand. Eyepiece features revolving lens disc and axis indicator. A wheel to the side adjusts the barrel and affects the display on the dioptric scale in the window on the top.
1999.3026