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Scientific American, Vol. 24, No. 13 (1871) (1871)

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An illustration from Scientific American, Vol. 24, No. 13 (1871), 1871, leaf 0
The conducting wires of the military telegraphs used in breech plate are loosened, and swing by their own gravity paid to it. Letters patent upon it were obtained in Decem- ber, 1868, and, at the same time, steps were taken to secure the French army are so made as to be capable of resisting the… … presents the appearance of To receive the steel bar- rel, the reinforce is ex- a thin tarred rope. In the To raise or lower the muzzle without loss of time, elevat- center of it4 threads of copper twisted together, form panded by heat. It may be cast in sections, thus saving the the metallic…

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