Sundials.

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Bibliographic Details
Online Access:	Online Access
Main Author:	Gould, Ralph Edgar, 1886- (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington D.C.] : U.S. Department of Commerce, Bureau of Standards, 1933.
Series:	Circular of the Bureau of Standards ; no. 402.
Subjects:	Sundials.

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Call Number:	C 13.4:402
C 13.4:402	Available