Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 138
deposited practically in contact with the iron, it forms a bard, adherentcoating, which often resembles natural Btone so closely that nobody but a skilledmineralogist could tell the diiTerence between them. The best way to treat water con-taining sulphate of lime is to convert the sulphate into… … Fig. A Feed-Pipe containing a Heavy Deposit. The chemical action that takes place may be briefly described thus: Carbonate of nodand sulphate of lime act upon each other so as to produce sulphate of soda and carbonateof lime. The sulphate of soda thus produced is what is known in commerce as…
Locomotives · Steam-boiler explosions
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