Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 848
ouldtravel three or more inches and would make onlya blur on the film. In the apparatus invented by M. Bull the ex-posures each last less than a millionth of a second,during which time the fastest projectiles movebut ^2 of nch and thus are practically station-ary. The film travels at the rate of… … M. LUCIEN BULL AND HIS APPARATUS FOR PHOTOGRAPHING RIFLE AND SHOT-GUN BULLETS train, it is practically stationary during the onemillionth of a second of exposure. There is nomechanical shutter that will open for only onemillionth of a second and repeat the performance20,000 times each second, and…
Children's literature
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