cle bfe; join e a and produce it to f;then join d f, cutting a c in g; from ^r as acentre describe the arc af; this arc, in con-junction with bf, completes the contour af bof the scotia. Another mode of describing this mouldingis shown in fig. 16. Join the extremities a andb, and bisect a 6 in c ;… … ---i^f^ Fig. 16. points of division in a/draw straight linesfrom d; draw also straight lines from e throughthe points in a e, till they meet successively thelines drawn to a f. Having performed the THE DECORATOR S ASSISTANT. 235 aame operation on the upper side, the series ofintersections thus…
Design · Decoration and ornament · Art
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-402-279.webp)
