Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 251
Equationcorresponding tothis case; A A 1 + t f (68) Heal imageformed by aconvex lens; whence we conclude that objects will always appear dimin-ished when seen through concave lenses. If the lens beconvex and theobject be situa-ted beyond itsprincipal focusf will be nega-tive, and Equa-tion (68)… … Equationcorresponding; A^ A 1f (69) Distinct vision supposed possible and supposing distinct vision possible for all positions for all positions /? i • of the eye. ot the eye, it appears, ELEMENTS OF OPTICS. 243 1st. That when the object is at a distance from the conclusion first;lens greater than…
Mechanics · Acoustics · Optics
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