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 314
rds the crown. In designing theframing, the effect produced by each successive layer of stoneshould be considered. The pressure of the stones upon oneside sliould, by the arrangement of the struts, be counterpoisedby that of the stones upon the other side. 409.—Over a river whose stream is rapid,… … Fig. 259. base; such a centre is shown at Fig. 259. In laying the stonesfrom the base up to a and c, the pieces, h d and h d, act as tiesto prevent any rising at h. After this, while the stones arebeing laid from a and from c to 5, they act as struts: \h.Q piece,fg^ is added for additional…
Carpentry · Architecture
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