Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 347
igesters. Other industries, located in territories wherethere is insufficient water power for their needs during certain seasonsof the year but a surplus during others, use both fuel-fired and electricboilers, cutting out their fuel-fired apparatus whenever their waterpower is sufficient to handle… … s 1928. THELOCO MOTIVE 71^ charge not on the electrical injjut, but on the amount of steam meteredout of the boiler. ^ Industrial plants having contracts giving them low rates in con-sideration of their using a specified minimum amount of current an-nually, often find it difficult to gauge their…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
