Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 915
169 SHORT NOTES ON PROFESSIONAL SUBJECTS. 108. Description oe the Swiss Pile-driving Machine. (Communicated by Major Downes, K.A.) … ELEVATION F I C .3 GUIDE ROD 2" DIAMETER a The “ monkey ” (Pigs. 1 and 2) should be at least 12 ins. in diameter, and about 3 or 4 ft. in length. The handles are made of rope or iron rods, the monkey of wood. Pour men can work it easily. A hole ( d ) of 2-^ ins. diameter is bored down the centre of…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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