Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 114
the rest of the tool after the edge is cooled. The making and tempering of a cold-chisel will afford a good illustration of this very useful method. Take a bar of f" octagon tool steel. Cut off a piece 7" long by nicking it all round on the Exercise 35. hardee at a red heat, cooling it quickly… … Fig. 56. it, with the hammer inclined at a little larger angle. Both the opposite faces
Metal-work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
