Humboldt State University ® Department of Chemistry

Robert A. Paselk Scientific Instrument Museum

American Optical

Instrument Catalog, New Sheets

Eight new sheets are included in this catalog; pp D-3 to D-8, D-19, D-20, & B-25 to B-28. A scan of the first page is included. Other pages may be viewed by arrangement.
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.


p 1 scan


Index of Instruments

AO Instrument Catalog

Instrument Literature


HSTC (1921-34)
HSC (1935-1953)
HSC (1954-1973)
© R. Paselk
Last modified 10 July 2012