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Zeiss Parallax Refractionometer (Gullstrand Ophthalmoscope) & case
OPTOMETRIC INSTRUMENTS
refractionometer; refractometer
Carl Zeiss (Jena)
Europe: Germany, Thüringen, Jena
c.1920s
metal; brass; glass; wood; velvet
overall (case): 114 mm x 405 mm x 319 mm
2014.637
OPTOMETRIC INSTRUMENTS
refractionometer; refractometer
Carl Zeiss (Jena)
Europe: Germany, Thüringen, Jena
c.1920s
metal; brass; glass; wood; velvet
overall (case): 114 mm x 405 mm x 319 mm
Instrument. Black and grey metal. Zeiss eyepiece. Column adjustable for height. Also various extensions, lenses, diaphragms, slides and a binocular eyepiece unit. In a compartmentalised wooden crate with hinged lid and brass clasps and carrying handle.
2014.637
Gift of The City University, 2014