The practice of hand-turning in wood, ivory, shell, etc. : with instructions for turning such works in metal as may be required in the practice of turning in wood, ivory, etc. : also, an appendix on ornamental turning : a book for beginners (1868)
Campin, Francis · London : E. & F.N. Spon · leaf 104
96 THE PRACTICE OF HAND-TURNING. a many-sided broach, for if such a broach have grooves filed in it, and be supposed to be excee¬ dingly taper, we Immediately obtain the rose-bit. This bit is used for riming out countersunk holes. This concludes our brief description of the com¬ monest forms of… … There is another tool in common use which is de¬ rived from the broach, which it may not be amiss here to describe. In the above figure it is represented in front and side elevation. It may be said to consist of a piece of steel, whose section is composed of two arcs of a flat ellipse, which,…
Turning (Lathe work)
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