The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 260
inclined towards each other, andwhich meet at the centre of the length of the girder, like therafters of a roof-truss, though nearly if not quite concealedwithin the girder. This, and many similar methods, thoughextensively practised, are generally worse than useless ; sinceit has been ascertained… … Fig. 229. 2i8 AMEBICA2? HOUSE-CARrEXTER. timber will allow. Fig. 229 shows a very simple yet mvaluable method of doing this. The two pieces of which the gir-der is composed are bolted, or pinned together, having keysinserted between to prevent the pieces from sliding. Thekeys should be of hard…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
