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Scientific American, Vol. 56, No. 21 (May 1887) (1887)
leaf 4
the place fire of modern rifled ordnance by day, the question of getting a similar degree of accuracy of fire by night, of the ordinary day sight. As most war ships are now fitted with the electric though not overlooked by artillerists, has not yet been light, the application of these sights is… … invalid as to persons living out of the State and selling purpose it has no by sample within it. equal. NIGHT SIGHT FOB OBDNANCE. © 1887 SCIENTIFIC AMERICAN, INC.Patented · Torpedo · Munn · Lime · Patents · Scientific American · Plates · Weather strip · Pigment paper · Address munn · Horse power · Night sight · Express money · North tunnel · Carbonic acid · Electric light
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