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 57
fi?. 98. *54 ILLISTRATED ARCHITECTURAL, post; the capital of impost is obtained by dividing fi h into seven or eightequal parts, and giving one of these from m to n ; the width of archivolt sois equal to one-ninth part of // h; the width of keystone at efis equal to0 s. By drawing lines to e and… … examples of arcades in the other orders, we quote the following directionsof a celebrated author on architecture as to proportions :— The height ofarches to the underside of their crowns should not exceed twice their clearwidth, nor should it be much less; the piers ought not to be less…
Architectural drawing · Mechanical drawing
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