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Plan and elevation of t...
Astronomical observator...
1877
Exploration Book
Full Title
Plan and elevation of the astronomical observatory at Ogden, Utah. Erected 1873. Chs. Herman, del. U.S. Geographical Surveys West of the 100th Meridian. The Graphic Co., N.Y. (1877)
Publisher
U.S.
Apparatus for determini...
Apparatus for determini...
1877
Exploration Book
Full Title
Apparatus for determining absolute personal equation. G. Thompson, del. The Graphic Co., N.Y. (1877)
Publisher
U.S.
1-2 of 2