 | Royal Society (Great Britain) - 1705 - 398 pages
...in which diffbrm Rays may be conceived to flow fuccelfively from the Sun. FP, and Fit two of thofe Rays unequally refracted, which the Lens makes to conVerge towards Q., and after decuflation tQ diverge again. And HI the Paper, at divers diftances , on which the Colours are projected... | |
 | Edmond Halley, Richard Mead - 1708 - 430 pages
...Adijcellanea Cmipfa. 1 1 3 be conceived to flow fucceffively from the Sun. FP, and F ^ two of thole Rays unequally refracted, which the Lens makes to converge towards Q, and after decuflation to diverge again. And HI the Paper, at divers diftances, on which the Colours are projected,... | |
 | Royal Society (Great Britain) - 1722 - 722 pages
...in which dtfform Rays may be conceived to flow fucceffively from the Sun. FP, and F Rj two of thole Rays unequally refracted, which the Lens makes to converge towards Q, and after Decuilation to diverge again. And HI, the Paper, at divers Difhnces, on which the Colours are projected... | |
 | Royal Society (Great Britain) - 1749 - 674 pages
...which difform Rays may be conceived to flow fucceffively from the Sun. FP, and FR, two of of thoiê Rays unequally refracted, which the Lens makes to converge towards Q, and after Dccuflation to diverge again. And HI, the Paper, at divers Diftances, on which the Colours are projected... | |
 | Oliver Joseph Thatcher - 1907 - 484 pages
...degrees: MN designs the lens. Its breadth 2\ or 3 inches. SF one of the straight lines, in which difform rays may be conceived to flow successively from the...distances, on which the colours are projected ; which in Q constitutes whiteness, but are red and yellow in R, r, and 8, and blue and purple in P, p, and w. If... | |
 | 1902 - 588 pages
...degrees: MN" designs the lens. Its breadth %y2 or 3 inches. SF one of the straight lines, in which difform rays may be conceived to flow successively from the...yellow in R, r, and p, and blue and purple in P, p, and «. I ir Fio. 2. FIGURE 14, PLATE 14, OF THE ORIGINAL. If you proceed further to try the impossibility... | |
 | Oliver J. Thatcher - 2004 - 466 pages
...degrees: MN designs the lens. Its breadth 2\ or 3 inches. SF one of the straight lines, in which difform rays may be conceived to flow successively from the...distances, on which the colours are projected ; which in Q constitutes whiteness, but are red and yellow in R, r, and 8, and blue and purple in P, p, and w. If... | |
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Its breadth %y2 or 3 inches. SF one of the straight lines, in which difform rays may be conceived to flow successively from the sun. FP and FR two of those rays unequally refracted, which the lens makes to converge towards Q, and after decussation to... 