. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 329- connection with a pump, as shown in No. 328 325. RE-ENFORCIN GWELLS. The re-enforcement ofwells in times of drought may bereadily made by making a cylin-der of galvanized iron, punchingit with a thin chisel, as shown inthe cut, 326, inserting it and pu
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 329- connection with a pump, as shown in No. 328 325. RE-ENFORCIN GWELLS. The re-enforcement ofwells in times of drought may bereadily made by making a cylin-der of galvanized iron, punchingit with a thin chisel, as shown inthe cut, 326, inserting it and push-ing it down in the bottom of thewell, 328, and boring out the sandwith a sand auger, 327. A drive-strainer tube may also be drivenand the sand drawn by an points are also used anddisconnected near the bottom ofthe well. The supply of water mayoften be largely increased by thesemethods. 329. Strainer tube and pipe for 330. SIPHON WATER RAM. B, a chamber in the apex of asiphon. C, a flap valve on an arm and spindle extending to outside. of chamber and held open by the lever and weight L, with its move-ment adjusted by the springs above and below the lever. D, discharge 136 HYDRAULIC POWER AND APPLIANCES. valve. G, a chamber with elastic heads or diaphragms of thin cor-rugated metal, for an air chamber and to prevent hammer. K, plugfor fining the siphon with water or by the suction of an air pump. Will lift water about 14 feet with a water fall on the siphon legs of6 feet, and deliver ^ of the total supply. 331. Section showing valves and air chamber. 332. Outside view, showing valve lever, weight, and springs. 332A. UNIQUE APPLICATION OF HYDRAULIC a certain river there is a high-water period in the spring when a
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