822 MODERN STEAM PRACTICE . account be arranged as in some tubulär structures subjected to direct crushing stress , that is , having a ring fitted where all the butts form a circumferential line ; but the butts should break joint in a careful mannerand should be fitted accurately , having a… … Figs . 585 - 590 . — Sections of Ikon Masts . A , Mast with T iron at the joints , and sometimes with a ring of angle iron and plates , as shown in dotted lines . B , Mast with angle iron running the entire length . C , Mast with angle iron at the joints , and sometimes with plate stays , as shown…
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