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 277
r-tex or Point C, the Area of itjBafe AB being the greateltTerm ; and its perpendicularHeight DC, the Number of allTerms; therefore the Area ofthe Circle of the Bafemultiplydby a third Part of the AltitudeDC,will be the Sum of all theSeries, equal to the Solidity ofthe Cone. The Curve Superficies… … is equal to the Periphery of theBafe of the Cone^ and the Ra-dius A B equal to the flant Sideof the Cone. Which c o c o Which will appear very evi-dent, if you cut a Piece of Pa-per in the Form of a Seftor ofa Circle ABC, and bend boththe Sides AB and AC togethertill they meet, and you will findit…
Architecture · Building
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