^tuniiiu %mtxHM. May I, 1897.] 281 … RIBBON PHOTOGRAPHY-A NEW CAMERA. posure tension plate, the square aperture in which is exactly in line with the front aperture in the box. the loading of the guns was begun. The car was From this point the film, after exposure, passes down- pounds, giving a calculated penetration in solid steel run…
Steel · Bicycle · Catalogue · Apparatus · Cents · Scientific American · Declination north · Steel projectile · National academy · Years ago · Horse power · Roentgen rays · British association · Dynamo room · Sprocket wheel
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