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 28
—thus, the diame-ter, m w, [Fig. 24,) being parallel to the tangent, o p, is thereforeconjugate to the diameter, k I. 67.—A double ordinate is any right line, crossing a diameterof an ellipsis, and drawn parallel to a tangent at the extremity ofthat diameter, (i t^ Fig. 24.) 68.—A cylinder is a… … Fig. 26. 69.—The axis of a cylinder is a right hne passing through it,from the centres of the two circles which form the ends. 70.—A segment of a cylinder is comprehended under threeplanes, and the curved surface of the cylinder. Two of theseare segments of circles : the other plane is a…
Carpentry · Architecture
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