Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 39
(&) … Fig. 9.—Models for Contour Drawing. PRINCIPLES OF CONTOURS 23 In connection with the contour elevation it should benoted that it must always be evenly divisible by the V. I.as it is simply a multiple of it. Thus we cannot have a 355-foot contour if the V. I. is 10 feet. \ Referring again to Fig. 86…
Cartography · Military maps
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