Hatton, Richard G · London, Chapman & Hall ld. · leaf 209
eded for the vanishing and 174 Perspective measuring of the original object, and these serve again;or, if they do not serve, the new points are very easilyfound from the old ones, and do not have to be found bya laborious process. The law upon which our methods of finding reflectionsare based is… … Fm. 129.—The theory of refleetioBS. to ED, and the triangle EFB equal to EDB; so thatangle FEE will equal angle DBE. In a word, ABF willbe in a straight line, and it will be as though the spec-tator saw a second image reversed immediately below thefirst, the dividing-line being the mirror—in this…
Perspective · Drawing
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