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 345
rary is thecase, the whole distance given for the treads must be divided bythe number of treads required. On account of the upper flooiforming a step for the last riser, the number of treads is alwaysone less than the number of risers. Having obtained thisrise and tread, the pitch-board may be made… … Fig 286. equal to the rise, and b c equal to the tread; mark along thoseedges with a knife, and cut it out by the marks, making the edgesperfectly square. The grain of the wood must run in the directionindicated in the figure, because, if it shrinks a trifle, the rise andthe tread will be equally…
Carpentry · Architecture
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