Modern carpentry and joinery : being a compilation of the very best things and most modern and practical methods known in the arts of carpentry and joinery (1910)
Hodgson, Frederick Thomas, 1836- · Chicago : F. J. Drake & Co. · leaf 341
principalrafter, N G the tie beam, and the upward force. A G—the reaction at the point of support. Of these fourforces the amounts of two, A B and A G, are known;it is required to determine the nature and amounts ofthe stress of B N and of N G when acting at the anglesgiven. Commencing Fig. 42 by… … Fig. 41.
Carpentry
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