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 233
/ s^^ M C G B /if:..JJ 1 ^ 1 L..---\h i 1 ^ 1 tl A … C I C I The Chord of an Archh a RightLine drawn from one Extremi-ty Jof an Arch to the other; cal-led alfo the Subtenfe. To make a Line of Chords for theMenfuration of the Quantity ofjifjgles. Firjl^ Draw a Right Line atPleafure, as AB, and from anyPoint, as D, raife the Perpen-dicular DN, and…
Architecture · Building
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