weight of one gramme on each pan, with box of weights. ATZO) aan sects Sees sa sees Ee 24% grammes. hammering. If the buttons are too A small crucible or melting furnace, large to be admitted,to the cupel (which with hood to carry off the fumes pro- should weigh at least as much as the duced in… … and one inch deep, placed parallel at a and this in turn placed in a small cor- distance equal to their width, and sol- net of lead foil and placed in a clean APPARATUS FOR ASSAYING. dered at the ends to a tin or wire frame hot cupel, where it melts and alloys; or support. When powdered ore is the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
