 | 1853 - 336 pages
...mirror ; for then, not only are the projections separately reflected, but they are also transposed from one eye to the other, and therefore the conversion...the remarkable illusions it occasions, the following were mentioned : — The inside of a tea-cup appears a solid convex body; th? effect is more striking... | |
 | Sir Charles Wheatstone - 1879 - 446 pages
...becomes nearer, its larger picture on the retina is accompanied by a less convergence of the optic axes. With the pseudoscope we have a glance, as it were,...internal perceptions have no longer their habitual relation with each other. I will now proceed to describe some of the illusions produced by the aid... | |
 | Sir Charles Wheatstone - 1879 - 454 pages
...becomes nearer, its larger picture on the retina is accompanied by a less convergence of the optic axes. With the pseudoscope we have a glance, as it were,...internal perceptions have no longer their habitual relation with each other. I will now proceed to describe some of the illusions produced by the aid... | |
 | 1852 - 1172 pages
...becomes nearer, its larger picture on the retina is accompanied by a less convergence of the optic axes. With the pseudoscope we have a glance, as it were,...internal perceptions have no longer their habitual relation with each other. I will now proceed to describe some of the illusions produced by the aid... | |
 | 1852 - 464 pages
...a mirror; for then, not only are the projections separately reflected, but they are also transposed from one eye to the other, and therefore the conversion...the remarkable illusions it occasions, the following were mentioned. The inside of a tea cup appears a solid convex body; the effect is more striking it'... | |
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The pseudoscope being directed to an object, and adjusted so that the object shall appear of its proper size and at its usual distance, the distances of all other objects are inverted ; all nearer objects appear more distant, and all more distant objects... 