Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 175
of the duplex tube is expanded iuto the rear surface ofthe header, while the inner member is secured to the central partition of the header.In the Xiclausse type the header is made in sections, each section being just wide enoughto take two vertical rows of tubes. In the Diirr boiler, on the other… … Fig. 6.—The Babcock and Wilcox Boiler (Marine Type). 1902.] THE LOCOMOTIVE. 167 Durr boiler, while no such, bolts are necessary in the Niclausse boiler. (The Dim boileris described at considerable length in a paper entitled The Constructive Developmentof the Durr Boiler in the German Navy,1 by Vou…
Locomotives · Steam-boiler explosions
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