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 376
Fig. 317. Fig-. 81S. and ^; then, ii and x being of the same height, nx\s?i level Hne;and this Une lying perpendicularly over r s, n x and r s must beof the same length. So, all lines on the top, drawn parallel to 7iXj and perpendicularly over corresponding lines drawn parallel tor s on the base,…
Carpentry · Architecture
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