tank to the It is seventeen years since I examined it, and the method Fig. 26 is an attempt to secure a perpetual motion by the other between rollers and grooved pulleys pressed against of using the gas may have been improved since. The gas application of clectricity. It is the invention of a… … liausas. [y his communication inclosing the drawing, he Petroleum is tound in the neighborhood in quantity, float- 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…
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