Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 118
bove or belowanother. For this purpose either a slope board or clinometeris used as will be described in Art. 28. The instruments used for military mapping are containedin a small carrying case or sketch case* and comprise: 1.a small drawing or sketch board, 2. a light tripod, 3. a sightingscale or… … Slope Board■— - Rearshowing ReductionDiagram FIG. 55. COMPLETE. SKETCH CASE OUTFIT 98 FLAT MAPPING tacks, pencil, eraser and pins. A complete outfit is shown inFig. 55. The tripod may be fastened to the sketch board bymeans of a small thumb screw like that on any camera tripod.The board can thus be…
Cartography · Military maps
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