Surveying ; a manual of practical instruction in the art of plane surveying, including plotting, leveling, triangulation, line running, cross-sectioning, traversing, and other details of field work (1910)
American School of Correspondence, Phillips, Alfred Edward, 1863- [from old catalog] · Chicago, American school of correspondence · leaf 158
upper culmination. Repeat the operation PLANE SUKVEYING Ml at lower culmination. Now, if A rejjresents the altitude at upperculmination, and A; the altitude at lower culmination; t? the refrac-tion at upper culmination, and di the refraction at lower culmina-tion, then Ap, the altitude of the pole… … Pig. 99. THE SOLAR TRANSIT. The solar transit is an ordinary engineers transit fitted witha solar attachment. Of the many forms of solars in use, thatinvented by G. I^. Saegmuller, Washington, D. C, seems to be thefavorite. In its latest form it is shown in Fig. 99, and consists ofa telescope and…
Surveying
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