Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon (1908)
Hildebrandt, A. (Alfred), b. 1870, Story, W. H. tr · New York, D. Van Nostrand company · leaf 349
a balloon photographto show the unevenness of the landscape ; particularly is thisthe case when the balloon is at a great height, and the camera y 2 324 AIRSHIPS PAST AND PRESENT. is pointed directly downwards. It is therefore well to say afew words about the means that exist for interpreting… … Fig. 203.—Herrenberg in Wiirttemburg. the bottom to the top. This may be due to an effect of perspec-tive, or to the peculiarities of lighting. The appearance ofvillages is curious; the houses look as though they haddropped out of a childs toy-box. The difference between lightand shade is not very…
Aeronautics
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