The illustrated architectural, engineering, & mechanical drawing-book : for the use of schools, students, and artisans ; upwards of 300 illustrations (1856)
Burn, Robert Scott · London : Ward and Lock, 158 Fleet Street · leaf 47
Example 78, fig. 78. The method of describing the scroll termed the* volute is explained in Example 79, fig. 79. Draw a />, c d at right angles ; let ef be the dia-meter of the eye of the volute corresponding to the breadth of the astragala (see fig. 76) ; with half ef from the point where a h,…
Architectural drawing · Mechanical drawing
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