On the philosophy of painting: a theoretical and practical treatise.. (1849)
Twining, Henry · London : Longman, Brown, Green, and Longmans · leaf 478
s a very rapid diminutionof the reflected image ; for, bv the removal of themirror, the fasciculi of rays which convey to the eye thereflection of the object, become lengthened simultan-eously both before and after being reflected by themirror (see Fig. 19). In this case, the perspectivechange is… … The inin-nr hiis heiii moued barkward; the ohserrer andthe object reinniiiiiig xtiiliojiari/. dimimition. \\hen, the observer and the mirror beinsrstationary, the object is moved away from tlie latter andtoward tlie observer, although the diminution of thereflected image is less rapid than when the…
Painting · Aesthetics · Perspective
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Annus symbolicus, emblemmatice, et versu leonino : quemcumq[ue] statum hominum incitans ad animum pie recreandum : humillimè oblatus serenissimo electorali principi Carolo Alberto vtriusq[ue] Bavariae &c. duci. etc. etc. [sic] : accrescenti orbis terrae delicio (1699)](https://img.insideoutlibrary.com/img/200/ia-annussymbolicuse00rede-20-17.webp)
