Details of special camera designed for photographing airplanes in motion for use in determining take-off and landing measurements; 98.4 ft. of film, 4.72 in. wide used; two lenses, one projecting image of stop watch on film; measuring of picture with comparator; length of run very accurately determined; results of experiments made. From Yearbook of Wissenschaftlichen Gesellschaft fuer Luftfahrt, Dec. 1926.
Photogrammetric take-off and landing measurements
Nat. Advisory Committee Aeronautics -- Tech. Mem
1929
14 pages
11 Figs. partly on supp. plates
Article (Journal)
English
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