The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 52
ew York.Fig. 1. Draw the two Isometrical diameters ; {i. e. the two exi-conjugatediameters of the ellipse which is to represent the circle,) unite their ver-tises so as to form a rectangle with its diagonals; circumscribe the wholewith a circle passing through each angle of the parellelogram, the… … From each angle of the rectangle as centres, and with its largest side asradius, describe arcs cutting each other within the rectangle as at b, b. 6 12 THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. [Februabt, Irom Hie same centres, and with the diagonal of th« rectangle u radini,describe arcs on the…
Architecture · Civil engineering · Science
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