Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 424
illed in the centre surfaces on scientific instruments. for the insertion of the blowpipe c, PLATINUM.— This metal occurs while a side opening d serves as an exit almost exclusively in the native state, for the products of combustion and for but is seldom pure. Analyses of the molten metal. The… … levigated, and the cold pulp filled into while the oxygen is conveyed by /, a conical brass barrel, and pressed very meeting in the blowpipe c, whose upper hard ; the hardened cake is removed, part is of copper and lower part of heated to redness on a charcoal fire to platinum. The lime crucible…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
