The young painter's maulstick : being a practical treatise on perspective, containing rules and principles for delineation on planes ... : founded on the clear mechanical process of Vignola and Sirigatti, united with the theoretic principles of the celebrated Dr. Brook Taylor : addressed to students in drawing (1800)
Malton, James, d. 1803, Taylor, Brook, 1685-1731 · London : Printed by V. Griffiths ... and published for the author by Carpenter and Co. ... · leaf 120
; .through which eight points let the circle of the gallery be drawn. The fquare5 6 7 3, is the exterior fquare of the circle of the body of the objedt at top, in■which, four points are already determined, x,x,x,Xj and the four other points,z, z, z, z, arc readily obtained from the vifual… … r„l,Ull„l l;.f., >•■• . <W <■<!■ PRACTICAL PERSPECTIVE. 59 Make M R, on the interfedion, equal the height TO, Fig a. jinr! Hraw the CPlate 20.]diagonal line Rg, whicli cutting the contiguous vifual line^, determines tlie pointd, one of the angles of the outer fquare; from which point,…
Perspective
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-130-34.webp)
