The builder's dictionary, or, Gentleman and architect's companion : explaining not only the terms of art in all the several parts of architecture, but also containing the theory and practice of the various branches thereof ... : also necessary problems in arithmetic, geometry, mechanics, perspective, hydraulics, and other mathematical sciences : together with the quantities proportions, and prices of all kinds of materials used in building ... (1734)
Toms, W. H. (William Henry), ca. 1700-ca. 1750, Devoto, John, fl. 1719-1752 · London : Printed for A. Bettesworth and C. Hitch ..., and S. Austen ... · leaf 52
To divide a Right Line AC into two equal Parts by theperpendicular A C. B H jjl. Open the Compafles toany Diftance greater than halfthe given Line A C, and ateach End, as at A and C de-fcribe Arches, as D B and F I,interfefling each other in thePoints C and A. icUy. From the Points Aand C, draw the… … ifi. From one End of the.given Line A B, draw anotherRight Line, as A B from A,making any Angle at Pleafure 5then from the other End, as B,draw the Right Line B I, pa-rallel to it, or make the AngleA B I = to the Angle H A B. idly. Open the Compaflesto any Diltance, fuppole A P,and as the Line is…
Architecture · Building
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