Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 236
guns, though unexceptionable as to strength and efficiency, werenecessarily so very costly that it became a question whether anything couldbe done to lessen the expense by a simpler mode of construction or bygreater economy in the material. The problem was solved in the mostsatisfactory manner by… … Fig. 94.—Section of <^ iii. Fraser Gun, suited for the purpose. Mr. Frasers modification consisted in building u]vthe guns from only a few coils, instead of several, the coils being longerthan Sir W. Armstrongs, and the iron coiled upon itself two or even threetimes : a plan which enabled him to…
Inventions
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