The cabinet-maker and upholsterer's drawing-book : in four parts (1802)
Sheraton, Thomas, 1751-1806 · London : Printed by T. Bensley ... for W. Baynes · leaf 44
be the quantity of the angle. On the Sector -f-. The Seftor is a moft univerfal inftrument, and ufed for various purpofes inthe different branches of mathematical learning. Nor is it without its ufeful- * Vertical, placed in a dire£l:ion perpendicular to the horizon. + Seder; it is fo called… … 2ulil^Ai/aS^ieAct iifVcArAug^ S7. 779/. ( ^9 ) nefs in the art of drawing, and therefore thofe who are concerned with defign-ing, ought, in fome meafure, to be acquainted with it. To this end let us iirft confider the moft fimple part of it, which is, to di-vide any given right Une into any number…
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