Art crafting in metal for amateurs : being the art of ornamenting thin metal with pierced and raised design (1920)
Alexander, Frank, 1917- · Boston : Fort Hill Press · leaf 60
it is only by steady, careful practice, that success can be obtained. It is much better to cut the same pattern over and over again, until it has become quite familiar, and can be cut correctly and well, even though the process be a little irksome, than to go from one thing to another in a hasty… … Water. curved lines only are used to express it. The effect of it may also be very well given by using a straight and rather sharper tool than usual, and without any curve on the edge. This tool should be held quite upright, and about in. above the brass; if it be struck with the hammer, it will…
Art metal-work · Repoussé work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.