The portable transit instrument in the vertical of the pole star, [electronic resource] translated from the original memoir of Wm. Doellen, by Cleveland Abbe ...
Prepared for the Bureau of navigation in May 1868.
Contents
On the determination of the time by means of the portable transit instrument mounted in the vertical of the pole star. By William Doellen.--Appendix and tables by the translator.
Reproduction
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.
