Steam engines, a thorough and practical presentation of modern steam engine practice (1920)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 135
re are placed other tubes C of wrought iron, whichare centrally supported by means of knobs or buttons regularlyspaced throughout their length. These inner tubes are closed at theends. A thin annular passage E from the steam is thus formedbetween the inner and the outer tubes. The steam clinging… … Fig. 74. Section of Foster Superheater Tubes STEAM ENGINES 119 surfaces. The circulation must be properly distributed throughoutthe superheater at full lo^d as well as at partial loads. The variousparts must be accessible for inspection, both externally and inter-nally, and must be readily…
Steam-engines
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