Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 348
n that it has but onetlue sheet. The tubes are expanded into the upper flue sheet as usualin vertical tubular boilers, and are suspended therefrom. The lowerportions of the tubes, for about two-thirds of their entire length, areof enlarged diameter and become hexagonal instead of round. Theincrease… … Fig. 3. V77777777777777777777777777y777777- From Mechanical Engineering is no lower tube sheet. This construction takes care of the unusual ex-pansion due to the higher temperatures, and gives a large heating sur-face with small volume of liquid. After passing through this boiler, the hot gases…
Locomotives · Steam-boiler explosions
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