Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 130
difierent radii, as at Fig. 146 and 147, which re-semble the elliptical curve. The ovolo and cavetto are generallya quadrant, but often less. When they are less, as at Fig. 150,the centre is found thus : join the extremities, a and 6, and bisectahm. c ; from c, and at right angles to a b, draw c d,…
Carpentry · Architecture
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