Leonardo, da Vinci, 1452-1519, Senex, John, d. 1740 · London : Printed for J. Senex ... and W. Taylor ... · leaf 262
and the Eye A will fee the SpaceF D, and the Eye B, the Space G E \ fo that thetwo Eyes will fee, behind the Objea C, thewhole Space F £. By which Means that Object,C, becomes, as it were, transparent, accordingto the ufual Definition of Transparency, whichis that, beyond which, nething is hidden.… … Why .ting timitacthe gn■perfedfrom !does lbpear vtmuchas theral ObwhenceCopied *By LeonardcTda Vinci. *79 is lefs in Extent than the Object which it views \whence, the Truth of our Propofition is foirlyevinced*, A painted Figure intercepting thewhole fpace behind it-, fo that the Eye i« pre-eluded…
Leonardo, da Vinci, 1452-1519 · Painting · Drawing · 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-146-38.webp)
