The Sheet metal worker's instructor : for zinc, sheet iron, copper, and tin plate workers, and others, containing a selection of geometrical problems, also practical and simple rules for describing the various patterns required in the different branches of the above trades (1906)
Warn, Reuben Henry · Philadelphia : Henry Carey Baird & Co. · leaf 198
125 from one piece, and get out the die and plunger accordingly. The tools required will be a saw, Fig. 16. … brace, and J-inch bit, a straight chisel, two or three sizes of gouges, a straight rasp, and a Fig. 18. rasp curved at one end. When the iron is cut
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
