Manual of modern surveying instruments and their uses .. (1893)
Lietz, firm, math. instr. makers, San Francisco. (1893. The A. Lietz company) [from old catalog] · [San Francisco] The Company · leaf 162
cal surveying,for instance, where a great many observations are taken fromone station, what matters it whether we are able to place thezero upon any one of the objects? The relative directions ofall the observed points are known, and they may be plotted inthe office without reducing them to any… … o
Surveying
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