Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 151
very small stress upon it, and it istherefore unnecessary to make the upperends of the principal rafters of such largescantling as the lower ends, which forman essential part of the truss. Figs. 499 and 500 illustrate a form of heelstrap ; this having been fixed with a bolt andnut, a hardwood or… … HEEL STRAP \^sd bolt it NUT Fig. 499. Fig. 500. Fig. 499.—Heel Strap connected to Tie-beam byBolt, and tightened to Principal Rafter by Wedge. Fig. 500.—General View of Strap and Bolt. shown ; but this is not quite such a good form as that illustrated at Fig. 459, page 122. Occasionally the head of…
Carpentry · Joinery
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