 | Isaac Newton - 1730 - 432 pages
...differently Refrangible. The PRooF by Experiments. Exper. 3. TN a very dark Chamber, at a round JL Hole,, about one. third Part of an Inch broad, made in the Shut of a Window, I placed a Glafs Prifm, whereby the Beam of the Sun's Light, which came in at that... | |
 | Robert Smith - 1738 - 402 pages
...in his own words as near as poffible and proved by his own experiments. Experiment. j jic j 1 bro^ made in the fhut of a window, I placed a glafs prifm ABC of thHUn's whereby the beam of the fun's light SF, which came in at that hole, image made might... | |
 | Samuel Johnson - 1805 - 924 pages
...by the help of little falls or shuts within, to stop the vents by which it was admitted. H'i/'tin:. In a very dark chamber, at a round hole, about one third part of an inch broad, made in the that of a window, 1 placed a glass prism. ' Nnviom. There were no sluts or stopples made for the animal's... | |
 | Henry E. Roscoe - 1869 - 372 pages
...light of the sun consists of rays differently refrangible. THE PROOF BY EXPERIMENTS. Fxper. 3. — In a very dark chamber at a round hole about one third part of an inch broad made in the shut of a window I placed a glass prism, whereby the beam of the sun's light which came in at that... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...light oj tJie sun consists of rays differently refrangible. THE PROOF BY EXPERIMENTS. Kjf>er. 3. — In a very dark chamber at a round hole about one third part of an inch broad made in the shut of a window I placed a glass prism, whereby the beam of the sun's light which came in at that... | |
 | Henry Enfield Roscoe - 1870 - 514 pages
...light of the, sun consist* of rays differently refrangible. THE PROOF BY EXPERIMENTS. Exper. 3. — In a very dark chamber at a round hole about one third part of an inch broad made in the shut of a window I placed a glass prism, whereby the beam of the sun's light which came in at that... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...light of the sun cousists of rays differently refrangible. THE PROOF BY EXPERIMENTS. Exper. 3.—In a very dark chamber at a round hole about one third part of an inch broad made in the shut of a window I placed a glass prism, whereby the beam of the sun's light which came in at that... | |
 | Astronomical Society of the Pacific - 1927 - 1030 pages
...Rays differently Refrangible," describes his famous experiment of analyzing sunlight with a prism:10 "In a very dark Chamber at a round hole about one third part of an Inch broad made in the Shut of a Window I placed a Glass Prism, whereby the beam of the Sun's Light which came in at that... | |
 | Ruth Salvaggio - 1988 - 192 pages
...forces. "In a very dark Chamber," Newton wrote in his Opticks as he described his centering of the prism, at a round Hole, about one third Part of an Inch broad, made in the Shut of a Window, I placed a Glass Prism, whereby the Beam of the Sun's Light, which came in at that... | |
 | Jonathan Crary - 1992 - 190 pages
...the ground on which his knowledge is made possible. Near the beginning of the Opticks he recounts: In a very dark Chamber, at a round hole, about one third Part of an Inch, broad, made in the shut of a window, I placed a glass prism, whereby the Beam of the Sun's Light, which came in at that... | |
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Chamber, at a round Hole, \- about one third Part of an Inch broad, made in the Shut of a Window, I placed a Glass Prism, whereby the Beam of the Sun's Light, which came in at that Hole, might be refracted upwards toward the opposite Wall of the Chamber,... 
