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[Volume I.]
leaf 112
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ufactured hoops are introduced at the joints ( see sketch on page 26 ) . This plan answers well « where deposits do not form rapidly ; and although Fig . 44 . — Flat Iron large flues , whether oval or circular , are not at all Flue Ring . desirable , they can be strongly stayed with conical tubes ,… … Fig . 45 . — Conical Water Tube - stays . stays are so made that the bottom parts with flanges can go through the top holes ; thus they can be fitted to existing boilers cheaply . Such a System of staying must tend to decrease the number of • ® a ® ® * ® > ® ® © © 9 @ © ® ® 0000300 © Fig . 46 . —…e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
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