Humboldt State University ® Department of Chemistry

Robert A. Paselk Scientific Instrument Museum

Carl Zeiss Butter Refractometer Manual

The manual below was issued by Carl Zeiss in 1935. It is reproduced by permission of the copyright holder. Carl Zeiss no longer produces these instruments. The original brochure was kindly provided for reproduction by Allen Bishop, Zeiss Historica Society.

 


The Chemical Refractometer

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HSTC (1921-34)
HSC (1935-1953)
HSC (1954-1973)

© R. Paselk
Last modified 7 August 2003