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.