tieutifc THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. NUMBER 40. NEW-YORK, JUNE 14,1856. VOLUME XI. been sufficiently bountiful, she supplies salt THE IMPROVED PUMP. from the " bowels of the earth." We have Scientific American, salt mines yielding "rock… … cesspools, <kc. The sulphate of zinc, however, tance to its revolutions. Upon this theory M. Improved Force and Lift Pump. When the piston rises, valve I shuts; a va- is nearly as good, is cheaper, and is more Foucault has based his machine. A thick Our engraving illustrates the pump of Mr. cuum is…
Patents · Claim · Manner · Improvement · Valve · Combination · Scientific American · Thunder storm · Three feet · Patent office · Purposes set · Improvement consists · Purpose set · York city · Anthracite coal · Sawing machine
Internet Archive · Public domain (published before 1931). Free to use for anything.
