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 109
form onePoint together. Now in Perfpeflive, the SidesA K and B S dont continueparallel, but degenerate intovifual Rays, interfefling eachother in the Point of Sight, andby that means giving the Di-minution of Objects. Thus for Inftance, in thicFigure, the Eye being at a Di-ftance capable of feeing… … O B 33 B wHIe contrafl themfelvcs pro-pordonably. By fuch Means,the whole Parallelogram A KB S, and all the Objeas on ei-ther Side become reducd intothe narrow Compafs A V B X ;and if the Eye were more re-mote, that Space would be ftillfmaller^ fincc the farther anObjccl is off, the fmaller it…
Architecture · Building
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