Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 436
mercury be kept perfectly bright bismuth, copper, gold, lead, and zinc. and pure ; (9) the consumption of mer- This pasty amalgam, made up into balls, cury in the Washoe process is chiefly is submitted to distillation in furnaces mechanical, and only in a slight degree of varied construction.… … trays a about 5 in. apart, supported on subjecting the amalgam to heat in a an iron rod 6 traversing their centres, retort which admits of the collection of and standing in an iron box c filled with the mercury thereby distilled over, water. When the trays a have been leaving the metallic silver…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
