Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 113
(a) Measurements. (6) Plotting. Fig. 52.—Mapping by Triangulation. with any one distance or angle missing. On the other hand,if we measure all the distances and angles, and plot them inthe manner above described, and find that the plotting of thepoint 1 from 4 agrees very closely with our starting…
Cartography · Military maps
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