the boiling point, seems to lose its Self-hardening steel delicate flavor; the resulting sirup is frequently A very good way to hold pipe or rods that have a is perhaps obtain- stained, rather faintly yellowish or bluish, according polished surface, is to sprinkle dry plaster of Paris able. Be sure… … of receptacles. The illustration shows such an ar- My father was a druggist VISE FOR POLISHED PIPE. and chemist of near thirty rangement, in which a lamp is years' practice. He began to held in place on a board by paper, taking care that there is plenty of the plaster make all his sirups very early…
Apparatus · Pole · Patents · Munn · North Pole · Scientific American · Sheet metal · Producer gas · Latin America · Gas engines · Horizontal rudder · Triple action · Hot water · Practical treatise
Internet Archive · Public domain (published before 1931). Free to use for anything.