Journal of the Philadelphia College of Pharmacy (1829)
Philadelphia College of Pharmacy · Philadelphia, The College · leaf 292
Original Communications. 272 barrel, a flexible leaden pipe is attached, by which the gas is conveyed to the gasholders or gasometer. … Care is taken to use no more fire than will bring over the gas, and the operation is arrested as soon as the impurity ex- ceeds 20 per cent. By attending to these precautions, the gas is of a better quality — the first portion being nearly pure, and the alembic is less corroded. Besides, the…
Pharmacy
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
