r between rollers and grooved pulleys pressed against of using the gas may have been improved since. The gas application of electricity. It is the invention of a citizen of the blocks by springs so as to shu^off all way to the water. burns with a pale blue fiame, and imparts no disagreeable Fig.… … Kansas Petroleum is found in the neighborhood in quantity, float- In hia communication inclosing the drawing, he apparatus. ing upon springs and the water of salt wells. It used to be says: A represents the blocks; B is the hexagon-shaped wheel; " You will observe friction (the old enemy) is an…
Patents · Boiler · Aud · Lime · Iron · Steam boiler · Water · Iron works · Hydrogen gas · Scientific American · Antedated january · Caustic soda · Pumice stone · Boiler explosions · Dated january · City dwelling
Internet Archive · Public domain (published before 1931). Free to use for anything.
