ed receptacles, for the manu-facture of illuminating gas, produces, beside the coke re-maining in the retorts, tar and ammoniacal waters, which arecollected in special apparatus, known as refrigerators andcondensers. Large establishments have recently been erectedin France for the purpose of… … Fig. l.-APPARATUS FOB DECANTING AMMONIACAL LIQUOR FROM COAL TAR. which he had made of the power required to move cars withdifferent sized journals: A passenger car with 3£ inch jour-nals, and weighing 44,674 pounds, required a force of 800pounds, as shown by a dynamometer, to move it along a…
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