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 294
are iron rods, ee^ dd^ are braces, and c is a straining beam.In Fig. 238, purlins are located at PP, &c.; the inclined beamthat lies upon them is the jack-rafter; the post at the ridge isthe king post, the others are queen posts. In this design the tiebeam is increased in height along the…
Carpentry · Architecture
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