The hydrometallurgy of copper . Fig. 97.—Iron clamp for regulating the flow of solution through rubber hose, for sizevarying from 1 1/2 to 3 inches. APPARATUS AND APPLIANCES 459 in the line as desired. In such cases it is best to use the block faucets asshown in Fig. 98 and the method of connecting as shown in Fig. 99 wherebythe faucet is firmly bolted between two lengths of flanged stonewarepipe. Both stoneware and vulcanized rubber faucets are regularlymade for regulating the flow of corrosive

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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192400467, bookyear1912