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 130
The Method commonly usdby \N orkmen in defcribing anOval, IS by a Cord or String,as F M E, whofe Length isequal to the greater Diameterof the Oval, and which is faf-tcned by its Extremes to twoPoints or Nails, E, F, plantedin Its longeft Diameter, bywhich Means the Oval is madeas much longer, as… … Flrft, Defcribe the out Lines verfc Diameter fj g, and di-^ ^> ^ ^, / e, and e a, at vide a g, and a c into anyKight Angles to each other 5 Number of equal Parts^ alioafterwards draw the Conjugate c b and b d^ J £», and f byDiameter c d^ alio the tranf- and h e and e c^ and draw Righr O V O V…
Architecture · Building
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