Mechanical Contracting & Plumbing January-December 1909 . hin the reach of every country residence owner of moderate means whomay not care to use pumps operated bygas, gasoline, hot air, or steam. Thereare several makes of hot air pumpingengines on the market which might beused to good advantage. Theie are alsosome makes of gasoline pumping engineson sale which are efficient in ser-vice, economivah and easy to pumping engines are prac-tically automatic, as they only re-quire to be started and stopped. Forthose who may be interested in simpleforms of pumps, which will develop a
Mechanical Contracting & Plumbing January-December 1909 . hin the reach of every country residence owner of moderate means whomay not care to use pumps operated bygas, gasoline, hot air, or steam. Thereare several makes of hot air pumpingengines on the market which might beused to good advantage. Theie are alsosome makes of gasoline pumping engineson sale which are efficient in ser-vice, economivah and easy to pumping engines are prac-tically automatic, as they only re-quire to be started and stopped. Forthose who may be interested in simpleforms of pumps, which will develop agood pressure, instead of more expensivepower pumps, the writer will refer totwo types which almost anybody canoperate successfully. The first (illustration No. 1) is knownas a double-acting force pump and isoperated by a lever handle. This typeof foree pump, if of good construction Fig. 1—Double Acting Force Pump, Op erated by a Lever Handle. Coup/in a - M<a/e Thread <27 fre&si/re (j&ugt Z5<sfef- y Cf<*/-e fa/reC/nion £nd fteamed. 0rc?/r> r^/^ye or B/orY- off Dou6/e-Acringforcer^lc/mf) PLUMBER AND STEAMFITTER July 1, 1909. and design, is capable of developing ahigh pressure and, when connected to apressure tank of a good capacity, pro-vides for a large volume of water readyfor use. The other type of pump (illustrationNo. 2) is operated by an ordinary workhorse or a mule. Every farmer has ahorse or a mule, which could be usedfor a short time, daily, to pump suffi-cient water to supply all ordinary de-mands for a period of twenty-four hoursor longer, according to the size or cap-acity of the storage tank. A glance at A high-pressure gauge should be person operating pump can seeit, and a safety valve on tank, or pipesfrom tank, is an important feature that should, on no account, be overlooked orneglected. A tank 36 inches in diameterby 10 feet in length, has an approximatecapacity of about 530 gallons of water. The Heating and Ventilating of Prisons
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