ater, surfaces of the flange, C, of the body, and a sheet of the pump, and was carried ina spiral through a tank of though a portion of them may have just been formed by india-rubber is interposed between the flanges to pack water, like the condensing worm of a distillery, and the combination of… … $28.75. The business of making it is no doubt profit- perceive it is an easy matter to calculate the quantity of able. vapor it would require, theoretically, to freeze a gallon ———— (6 a of water; and it will be apparent that, since ether boils, Important New Patent on Six1rtTs.—‘‘A patent was ¢,…
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