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 120
agesnot occur all over the plate? 22. If a between-the-lens shutter were used with the same camera would double images occur? When would they occur?How would they be distributed over the plate? 23. If you are using a focal plane shutter 24 centimeters wide, with a f^-inch slit, on an 18x24… … G Y. AERIAL PHOTOGRAPHY THE NEGATIVE LENS FINDERWhen isolated objectives are to be photographed some sort ofsight is necessary. It is especially convenient if the operator canlook down through a hole in the bottom of the plane but the con-struction of the plane seldom permits of a large enough…
Physics · Military art and science
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