The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 165
evident,that some radical change must be made in its arrangment,to enable it to meet the exigencies of the case. In this emergency the arch, heretofore condemned in theBurr TrusSf was again resorted to, for it had been provedfrom the experience which its use in that truss had afforded,that an arch… … PRACTICAL MECHANICS. 161 Fig. 1, abuts upon the masonry in precisely the same man-ner as the arch of what is denominated the Improved HoweTruss, Fig. 2, and the difference between the two consistssimply in the mode of connection with the truss, and not inany change of principle, or method of…
Mechanics, Applied
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