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 159
invented 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 level attached to the telescope of the transit (seeFig. 100) in such a manner as to be free to revolve in two direc-tions at right angles to each… … PLANE SDKVEYING 143 If now the line of collimation of the transit be biouirlit intothe meridian, the telescope pointing to the south, then, if we layoff ujion the vertical circle, upward, the co-latitude of the place,the polar axle of the solar will be parallel to the axis of the earth.If now the…
Surveying
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