Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 250
230 METAL WORK. than those alloys which contain a con- tin gives an excellent and beautifully siderable amount of zinc or lead. red metal. This alloy, however, when The operation of firing is very simple . used in small quantities, is apt to prove … If the crucibles used are those known rather sluggish, and requires more nice as the Salamander brand, there are no management as to the degree of heat
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
