Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 165
151 SOLDERING. BUNSEN BURNER. clean layer of the solder ; or, touch it with the sol¬ der stick till a drop of the solder adheres, and then spread it along the edge with the wire. With¬ … draw it from the flame and let it cool. Tin in the same way the portion of b on which a will rest The two surfaces will now unite, if held together
Metal-work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.