Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 159
ft. apart, this arrange- DETA1L AT A the whole of the load carried by the uppertruss would have to be supported by the cleatspiked to the queen-post and the stub tenonon the end of the upper tie-beam (Fig. 519),a most inefficient support; the effect orstress of the load would, of course, be… … ■ 4-0 oM rnent rendering the construction- of thelower truss unnecessary. They, however,are an advantage constructively in anotherway, as they afford a means of triangulatingthe enclosed figure, and thus rendering thetruss immovable by wind pressure. Lestany student should be tempted to copy aform…
Carpentry · Joinery
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