Humboldt State University ® Department of Chemistry

Robert A. Paselk Scientific Instrument Museum

The Chemical Refractometer

An Exhibit in the Curator's Office (SA 560b)

2003-5 AY's


Exhibit Catalog

Introductory Essay: The Chemical Refractometer, 1874-1980 by Richard A. Paselk

 

Abbe-type General Laboratory Instruments

thumbnail photo  of 1935 Zeiss Abbe refractometer

 

Special Purpose Modified Abbe-type Instruments

thumbnail photo  of Zeiss sugar refractometer

 

High Precision Instruments

thumbnail photo  of precision B&L refractometer

 

Miscellaneous Instruments

thumbnail photo  of Fisher refractometer

 

**These instruments are now at the Chemical Heritage Foundation in Philadelphia, PA.


Literature

American Optical/Spencer

Bausch & Lomb:

Carl Zeiss

Fisher Scientific


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HSTC (1921-34)
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© R. Paselk

Last modified 8 July 2014