a stream of molten slag, is used for covering steam proper equivalent of hydrogen and then condensing the gas. boilers, steam pipes, ice houses, and cisterns, as a protection Iron, sulphuric acid, and water, when placed in contact, petroleum which, even at the high rate of 10 cents per gal- lon,… … other low the quality of Fig. l.-THE WREN GAS WORKS. power. One the slag used; ) 1877 SCIENTIFIC AMERICAN, INC
Improved · Patents · Husk · Water · Asks · Consists · Trade mark · Iron · Water wheel · Steam power · Loose pulley · Fire proof · Steam engine · Feed water · Thill iron · Scientific American · Steam engines
Internet Archive · Public domain (published before 1931). Free to use for anything.
