London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 244
ecided bythe subtenses, and not by the angles in the eye. As the supposed curvatureof right lines shown by Mr. Pococks diagrams, No. 31. and 3k, p. 93., leadsto many doubts, supposing the retina to he the seat of vision (which it is knownI question), let a b, fig. 83., represent that concave… … rays must form pyramidal plane triangles, the base at right angles to the axis,and, consequently, the image seen a square. The receptive surface beingspherical, the right-lined base of all images must be at right angles to the axisof vision ; and all lines produced from right-lined objects will…
Architecture
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