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TITLE: Bureau of Standards. Cone mixer used for mixing standard samples for chemical analysis
CALL NUMBER: LC-H814- 1037 <P&P>[P&P]
REPRODUCTION NUMBER: LC-H814-T-1037 (interpositive)
RIGHTS INFORMATION: Publication may be restricted. For information see "Horydczak Collection" (http://lcweb.loc.gov/rr/print/res/100_hory.html)
MEDIUM: 1 negative : safety ; 8 x 10 in.
CREATED/PUBLISHED: ca. 1920-ca. 1950.
CREATOR:
Horydczak, Theodor, ca. 1890-1971, photographer.
SUBJECTS:
Government facilities.
Standardization.
United States--District of Columbia--Washington (D.C.)
FORMAT:
PART OF: Horydczak, Theodor, ca. 1890-1971. Theodor Horydczak Collection (Library of Congress)
REPOSITORY: Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
DIGITAL ID: (intermediary roll film) thc 5a44069 http://hdl.loc.gov/loc.pnp/thc.5a44069
CONTROL #: thc1995000579/PP
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