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 138
130 THE PRACTICE OF HAND-TURNING. thread, a point-tool must be used; but if a thread whose section is curved be required, a tool should be made whose edge is a counterpart to that section. We will now describe those tools which are used for cutting fine thread screws in the common lathe. These… … screws; this latter bear¬ ing the same relation to the foj'mer that the side- tool bears to the chisel. The screw-tools may be made by holding a piece of soft steel against a master-tap , whilst the latter is revolving in the lathe; but care must be taken to obtain a complete section of the thread…
Turning (Lathe work)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
