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Title: model, scale 1:12, (1/2"=1') illustrating the forced draught [Go to resource]
Description: model, scale 1:12, (1/2"=1') illustrating the forced draught arrangement of J. Howden 1884, for marine steam boilers License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-130 Go to resource More Like this...
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