 | Henry E. Roscoe - 1869 - 372 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...was eighteen feet and a half distant from the prism, arid at this distance that breadth if diminished by the diameter of the hole in the window-shut, that... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...was oblong and not oval, but termina1ed with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly, but on its cuds very confusedly and indistinctly, the light there decaying and vanishing by degrees. The breadth... | |
 | sir Henry Enfield Roscoe - 1870 - 452 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...degrees. The breadth of this image answered to the sun-s diameter, and was about two inches and the eighth part of an inch, including the penumbra. For... | |
 | Osmund Airy - 1870 - 606 pages
...parallel sides by which it was bounded pretty distinctly, while its ends were confused and indistinct, the light there decaying and vanishing by degrees....breadth of this image answered to the Sun's diameter. This elongated stripe PQ, the height of which is about five times its breadth, is fpund to be of different... | |
 | Thomas Preston - 1890 - 494 pages
...oblong, and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...its ends very confusedly and indistinctly, the light thus decaying and vanishing by degrees. The breadth of this image answered to the sun's diameter, and... | |
 | Sir William Augustus Tilden - 1899 - 296 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides and two semicircular ends. On its sides it was bounded pretty distinctly,...the prism ; and at this distance that breadth, if 1 Newton's "Opticks," Book i. diminished by the diameter of the hole in windowshut, that is by a quarter... | |
 | Robert Alfred Herman - 1900 - 364 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...image answered to the sun's diameter and was about 2| inches including the penumbra. For the image was 18J feet from the prism, and at this distance that... | |
 | Hugh Frank Newall - 1910 - 188 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...the eighth part of an inch, including the penumbra. EX B Fio. 17. For the image was eighteen feet and a half distant from the prism, and at this distance... | |
 | Frederic William Westaway - 1912 - 474 pages
...sides, and two semicircular ends. On its sides it was hounded pretty distinctly, but on its ends very indistinctly, the light there decaying and vanishing...image answered to the sun's diameter, and was about 2£ inches, including the penumbra. For the image was 18i feet distant from the prism, and at this... | |
 | Samuel Alfred Mitchell - 1923 - 574 pages
...was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends. On its sides it was bounded pretty distinctly,...the light there decaying and vanishing by degrees." Newton concluded that white light was made up of separate colored rays; by passing the light through... | |
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... at the opposite wall of the chamber, and observed the figure and dimensions of the solar image formed on the paper by that light. This image was oblong and not oval, but terminated with two rectilinear and parallel sides, and two semicircular ends.... 
