The American house-carpenter; a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs. Together with the most important principles of practical geometry (1852)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 51
this, it matters not which side is taken for base. d Fig. 68. 5 34 AMERICAN HOUSE-CARPENTER. 102. A parallelogram being- given, to construct another equal to it, and having a side equal to a given line. Let A.(Fig. 68,) be the given parallelogram, and B the given lineProduce the sides of the… … Fig 69. 103.— To make a square equal to two or more given squares.Let A and B, (Fig. 69,) be two given squares. Place them soas to form a right angle, as at a ; join b and c ; then the square,C, formed upon the line, b c, will be equal in extent to the squares,A and JB, added together. Again : if a…
Carpentry · Architecture
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