 | Royal Society (Great Britain) - 1705 - 398 pages
...grinding of Optick-glafles of other Figures than Spherical,) I procur'd me. a Triangular Glafs-Prifm, to try therewith the celebrated Phenomena of Colours. And in order thereto having darken'd my Chamber, and made a fmall hole in my Window-fhuts, to let in a convenient quantity of the... | |
 | Royal Society (Great Britain) - 1722 - 722 pages
...therewith the celebrated Phenomena of Colours. And Feb. An. i«7*. m QJ.JÇJ. thereto, having darkned my Chamber, and made a fmall Hole in my Window-fhuts,...let in a convenient Quantity of the Sun's Light, I placed my Prifm at its Entrance, that it might be thereby refracted to the oppofite Wall. It was at... | |
 | Royal Society (Great Britain) - 1749 - 674 pages
...a Trianguiar Glafs-Prifm, to try therewith the celebrated Phenomena of Colours. And N. so. f. 3075. in order thereto, having darkened my Chamber, and made a fmall Hole in my гл. An. 167». window- (huts, to let in a convenient Quantity cf the Sun's Light, I placed my Prifm... | |
 | Royal institution of Great Britain - 1882 - 840 pages
...grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith the celebrated phenomena of colours....order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism... | |
 | 1880 - 930 pages
...grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith the celebrated phenomena of colours....order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism... | |
 | 1878 - 728 pages
...Society, he says, " 1 procured me a triangular glass prism to try therewith the celebrated phenomenon of colours. And in order thereto, having darkened my chamber, and made a small hole in my window-shuts 10 let in a convenient quantity of sun's light, I placed my prism at... | |
 | Every boy - 1881 - 932 pages
...Writing to the Royal Society, the great philosopher snys : — "I procured me a triangular glass prisme to try therewith the celebrated phenomena of colours....order thereto having darkened my chamber and made a small hole in my window-shuts to let in a convenient quantity of the sun's light, I placed my prisme... | |
 | Royal Institution of Great Britain - 1882 - 774 pages
...grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith the celebrated phenomena of colours....order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism... | |
 | Peter Guthrie Tait - 1884 - 298 pages
...grinding of optickglasses of other figures than spherical) I procured me a triangular glass -prism, to try therewith the celebrated phenomena of colours....order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism... | |
 | John Tyndall - 1892 - 522 pages
...grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith the celebrated phenomena of colours. And in order thereto, havmg darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity... | |
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I placed my prism at its entrance, that it might be thereby refracted to the opposite wall. It was at first a very pleasing divertisement, to view the vivid and intense colours produced thereby ; but after a while applying... 
