Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 174
8-in. by 6-in. middle braces, and8-in. by 8J-in. or 9-in. lower chord or tie-beam. The round iron tie-rods havediameters as follow : Outside rod, If in. ;second rod, 1| in. ; and centre rod, 1 in. Therods are threaded at both ends for hexagonor square nuts, with 2|-in. by J-in. plates,7 in. long,… … Fig. 590.—Section through E E (Fig. 589). with double bolt-ended straps, forged outof 2J-in. by J-in. flat plate-iron, with topplates (of the same dimensions) drilledto receive the f-in. bolt ends. At thehead of the principal rafters, an angleplate of f-in. iron, 4 in. wide, is drilled forf-in.…
Carpentry · Joinery
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