Humboldt State University ® Department of Chemistry
Robert A. Paselk Scientific Instrument Museum
The Chemical Refractometer
An Exhibit in the Curator's Office (SA 560b)
*Select instrument remain on display. Others have been returned to storage and may be viewed by appointment with the curator.
**These instruments are now at the Chemical Heritage Foundation in Philadelphia, PA.
Bausch & Lomb:
© R. Paselk
Last modified 21 March 2011