one, and it requires the nicest segments, and together forming a ‘continuous line of machinery as well as the most careful adjustment of inG. The end, m, of the driving shaft revolves in the work. s the rifling is the last operation of any internal gear, within which and parallel to itis a the… … one particular. The machine herewith illustrated is very highly re- rifling rod and feed arrangements. commended for efficiency, cheapness, simplicity of The barrel to be operated upon is fastened at M N, construction, and rapidity of execution. We have by the clamp, N, at the butt, and is not…
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