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 174
d in tenths or hundredths; and inthe numerical statement of the proportions between the linesand forces, the first tenn being unity, the fourth term will bo FRAMING. 161 ascertained simply by multiplying tlie second and third termstogether. For example, if the three lines are 1, 0*7 and 1*3, and… … Fig. 208. 267.—In Mg. 208 the weight, TT, exerts a pressure on thestruts in the direction of their length ; their feet, n n, have,therefore, a tendency to move in the direction n o, and wouldso move, were they not opposed by a sufficient resistance fromthe blocks, A and A. If a piece of each block…
Carpentry · Architecture
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