show the ordered by the Government, for further trials on a ami efficient as when first made. position of the screw and adj ustable breech when large scale, preparatory to the adoption of the sys- Official trials with a steel 18-poundcr Broadwell the gun is to be loaded. Half a turn of the screw… … culiar method of packing carries the operating screw, E, which fits into projectiles is due to the =o fact that it is applied in two or more inclined short sections. When the grooves or female threads cord is wrapped continu- in the plate, P, which fits into a recess in the ously, its displacement,…
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