Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 53
39 UPSETTING AND WELDING. ough good welding heat, without burning. There is special danger of burning in exercises like this, in which the piece is small, and has a thin edge. … As soon as it shows, by the vivid sparks which it emits, and by its intense whiteness when viewed through the chinks in the fire, that the proper heat has been reached, place it as quickly as pos¬ sible on the anvil, and hammer the parts together by quick light blows. When they have adhered, r Fig.…
Metal-work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
