Safety Valve:安全阀； Chimney：烟囱； Dome：蒸汽包； steam：蒸汽； Firebox：锅炉燃烧室； Feadwater：给水； Drain：排水。

描述Steam Boiler 2 English version.png	English: This is a modification of original Image:Steam Boiler 2.png by R. Castelnuovo, released under GFDL license. This permits modifications. Italian captions rendered into English by Old Moonraker. GFDL release as before The factual accuracy of this description or the file name is disputed. Reason: There are no fire-tube boilers of this form. The nearest would be the Scotch marine boiler, but that has a large diameter furnace leading to the combustion chamber, rather than the (lower) tube bank of many small-diameter tubes. This boiler could not be built, not could it be maintained (without some access to that leftmost combustion chamber. Also the boiler is drawn with domed ends. Although such a boiler could be built today, it would be impractical with the flanging presses available in period. Instead boilers were built with flat ends and stayed to support them. Andy Dingley (talk) 11:33, 23 July 2010 (UTC)
日期	2006年12月5日 (原始上傳日期)
來源	Transferred from en.wikipedia to Commons.; transfer was stated to be made by User:Mbeychok.
作者	Original uploader was Old Moonraker at en.wikipedia
授權許可 (重用此檔案)	CC-BY-SA-3.0-MIGRATED; Released under the [[GNU Free Documentation License]].

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• 2006-12-05 14:09 Old Moonraker 450×532× (33576 bytes) This is a modification of original Image:Steam Boiler 2.png by R. Castelnuovo, released under GFDL license. This permits modifications. Italian captions rendered into English by User:Moonraker88. GFDL release as before.
• 2006-12-03 23:08 Old Moonraker 322×329× (38227 bytes)
• 2006-12-03 22:38 Old Moonraker 238×229× (164051 bytes) This is a modification of original [[Image:Steam Boiler 2.png]] by R. Castelnuovo, released under GFDL license. This permits modifications. Italian captions rendered into English by [[User:Moonraker88]]. GFDL release as before.