Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 55
for the base as shown in Fig. 15. 2. Assuming the light to be horizontal and coming at 45° from the upper left-hand corner (similar to the rays of the sun in the late afternoon inthe summer) shade the lower left-hand corner of Fig. 13. Follow theFrench system. Use a soft pencil and be careful to… … Fig. 18.—Pointers. Art. 9. Direction It is very important that a map show the direction ofnorth and when using a map in the field the person usingit must know the direction of north on theground. % The direction of north on the map is sometimesgiven by an arrow or pointer such as shown inFig. 18.…
Cartography · Military maps
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