Talbot, Frederick Arthur Ambrose, 1880- · New York, Funk and Wagnalls company · leaf 398
ufficient speed tooff-set the wind, poised but a few score feet above the ground.The whole of the country can be photographed, and from thebuilt up panorama a complete birds-eye view of the topo-graphy of the ground, true to scale, may be examined atleisure. In so far as the application of… … Exploring and Surveying by Air plane. Variations in the contour of the land are not shown,or if so, only imperfectly. It is difficult to assess relativeheights and depths. A more realistic picture is obtained bytaking an oblique photograph, but this presents anotherproblem. Distortion becomes…
Airplanes
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