Problems in physics. Derived from military situations and experience (1919)
United States. War Dept. Committee on education and special training, Dodge, Homer Levi, 1887- · [Washington? · leaf 112
» -I fl ^ .iso ofe iw ^ fl)C o> *-G 2 ffl « S ft • bo a a a S S PS » s … S « m a §5ais o 3 S ^ia (S « rj C -Oa! . d Jh en uSua) s5 >> AERIAL PHOTOGRAPHY 97 10. A camera mounting is being designed for a camera with a 20- inch lens. A sharpness corresponding to an image move-ment of not more than 1/250 inch is required. What is themaximum permissible angular…
Physics · Military art and science
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