Announcement of changes in electrical nad photometric units. Issued May 15, 1947.

Announcement of changes in electrical nad photometric units. Issued May 15, 1947.

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Bibliographic Details
Corporate author / creator:	United States. National Bureau of Standards
Imprint:	Washington, U.S. Govt. Print. Off., 1947.
Description:	ii, 7 p. 23 cm.
Language:	English
Series:	Circular of the Bureau of Standards ; no. 459
Subject:	Electric units Photometry Electric units. Photometry.
Format:	Print Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/3946406

Hidden Bibliographic Details
Notes:	At head of title : U. S. Dept. of Commerce. National Bureau of Standards. "Selected references": p. 7.

Description
Item Description:	At head of title : U. S. Dept. of Commerce. National Bureau of Standards.
Physical Description:	ii, 7 p. 23 cm.
Bibliography:	"Selected references": p. 7.