The sheet-metal worker's guide : a practical handbook for tinsmiths, coppersmiths, zincworkers, etc., comprising numerous geometrical diagrams and working patterns, with descriptive text (1888)
Crane, W. J. E. (W. J. Eden) · London : Lockwood and Son · leaf 15
3 TOOLS. of two jointed arms, in which various kinds of top and bottom tools, swao^es, &c,. can be fixed, and the metal being placed between the dies, and the top forcibly struck with a hammer, the piece of tin, &c., is at once stamped out ^^S- 4* exactly to the contour of the dies. The sides of… … be bent to the required angles by laying the metal horizontally on the hatchet- stake, with each angle line exactly over the edge of the same, and blows would be given with the mallet, or with the hammer for more accurate angles, so as to indent the metal with the edge of the stake ; it would then…
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
