alt:'Image from Prints and Photographs Online Catalog -- The Library of Congress'
[check for pictures with this index term]
- Scope Note:
- Direct-image photographs; the chemically reduced collodion glass negative packaged against a dark background appears as a positive. Commonly in a case; popular mid-1850s to mid-1860s.
- Used For:
Collodion positive photographs
- Broader Term(s):
- Catalogers Note: Used in a note under PHOTOGRAPHS.
- Former Usage Note: Formerly TGMI term & TGMII term.
- Former Control Number: gmgpc000037
- Former Control Number: lctgm000285
- Term Type Category: Subject (MARC 150/650)
- Term Type Category: Genre/Format (MARC 155/655)
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