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 69
Fig. 93. … 128.— To describe an hyperbola by intersection of lines.Let r 0, {Fig. 94,) be the height, p p the base, and n r the trans-verse axis. (See Fig, 79.) Through r, draw a a, parallel to pp : from p, draw a _p, parallel to r o ; divide a p and p o, eachinto a like number of equal parts ; from each of…
Carpentry · Architecture
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