A guide to pictorial perspective : with numerous illustrations (1851)
Green, Benjamin Richard, 1808-1876 · London : George Rowney and Co. · leaf 23
e drawing : this line being invariably foundon a level with the eye, when we ascend it appears to risewith us. As the upper lines of the Observatory seemed todescend, from the circumstance of our being on levelground, so in the present case the corresponding lines ofthe buildings appear to ascend.… … VERTICAL LINES. 15 proacli it: this brings us to the consideration of VanishingLines. Vanishing Lines are the lines on which the vanishing points alluded to aresituate, hence the necessity for them on the drawing; butthey are also highly important to the student, as governingthe appearances of…
