Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 184
ood mark in firing, Pig. 1. The sides of the targets are furnished with a range of pins, covered with gutta percha, and the wires are stretched by these pins across the target, two or three turns being taken round each pin. The distance between the wires is made equal to about half the diameter of… … the first target. A hole, about 1| calibres in diameter, is cut in the centre of this screen, to admit of the shot passing it.
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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