Builder's architectural drawing self-taught : containing descriptions of drawing instruments and accessories, with rules for using them, and hints as to their care and management ... (1903)
Hodgson, Fred. T. (Frederick Thomas), 1836-1919 · Chicago : F.J. Drake & Co. · leaf 98
ARCHITECTURAL DRAWING SELF TAtJGHT 15 opposite curves, shown by the use of ordlnates. By taking a greater number of points than shown, as centers, the figure will resemble an elliptical curve. The manner of drawing the curves is shown on the diagram and may beeasily followed. … Fig. 66. Fig. 67 shows a cyma recta formed with trueelliptical quadrants. These curves may beobtained by following the lines in the diagram,or by any of the methods given for obtainingelliptical curves. This moulding can best bedescribed by the use of a trammel, an instrumentI will describe later…
Architectural drawing
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