Humboldt State University
®
Department of Chemistry
Robert A. Paselk Scientific Instrument Museum
American Optical
Instrument Catalog, Index
This Catalog was issued by AO-Spencer in c. 1950.
It was in the HSU Chemistry department files.The original pages, in a five-hole ring-binder, measure 8.5 x 11 inchs.
Reproduced with permission from the copyright owner, Carl Zeiss Vision, Inc.
Index of Instruments
AO Instrument Catalog
Instrument Literature
HSTC (1921-34)
HSC (1935-1953)
HSC (1954-1973)
© R. Paselk
Last modified 2 October 2009