Astronomy. Determination of time, longitude, latitude, and azimuth (1913)
U.S. Coast and Geodetic Survey, Bowie, William · Washington, U.S. Govt. print. off. · leaf 14
BROKEN TELESCOPE TRANSIT. No. 3. … MERIDIAN TELESCOPE. DETERMINATION OF TIME. 9 DESCRIPTION OP THE HAND-DRIVEN TRANSIT MICROMETER, MADE FOR COAST AND GEODETIC SURVEY TRANSIT NO. 2. Before considering the details of this micrometer, three points were determined uponas being essential to insure accurate and decisive action,…
Spherical astronomy
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