Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 89
h thick, sixty per cent., while others main-tain that a coating one-half an inch thick makes very little difference in the evaporativeefficiency of a boiler. We are not aware that any experiments have ever been madewhich are of value to determine the exact value of scale as a conductor (or non-con-… … Fig. 2. ]3resence of a coating of scale, or a quantity of sediment, not only greatly lowers theefficiency of a boiler, but is more than likely to produce other and far more serious 1&37.] THE LOCOMOTIVE, 83 results, wnich renders it imperative that every means available be employed to…
Locomotives · Steam-boiler explosions
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