The spectrum, formed by a glass prism, being divided into 360 parts, it is found that the red occupies 45 of those parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80... Tables and Tracts, Relative to Several Arts and Sciences - Page 296by James Ferguson - 1767 - 328 pagesFull view - About this book
| John Rowning - Astronomy - 1745 - 476 pages
...divided lengthwife into 360 equal Parts, the Red mall take up 45 of them, the Orange 27, the Tellow 48, the Green 60, the Blue 60, the Indigo 40, and the Violet 8ofTo f Sir Ifaac Newton in his Optics has (hewn, how from the Refraftion of the moll refrangible and... | |
| John Rowning - Astronomy - 1753 - 490 pages
...divided lengthwife into 360 equal Parts, the Red {hall take up 45 of them, the Orange 27, the Tellow 48, the Green 60, the Blue 60, the Indigo 40, and the Violet 80 f. Tq f Sir Ifaac Newton in his Opitics has {hewn, how from the Refraction of the mod refrangible and... | |
| Sir Humphry Davy - Chemistry - 1812 - 352 pages
...coloured image, or spectrum, as it is called, be divided into 360 parts, the red will occupy 45 of these parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80. The red rays are least refracted, the violet rays most, and the other coloured rays are refrangible... | |
| Edward Bancroft - Dyes and dyeing - 1814 - 468 pages
...and that if the coloured image or spectrum be divided into 360 parts, the red will occupy 45 of these parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80; and that the red are refracted the least; the violet the most; and the other rays inversely in the... | |
| James Smith - Industrial arts - 1815 - 684 pages
...be white. Supposing (he wheel to be divided into oüO equal parts, the red should occupy 45 of these parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet SO. It may be supposed that the seven primary colours might be reduced to three, viz. red, blue, and... | |
| 1816 - 566 pages
...the whole image, seen on the paper, be divided into 360 equal parts, the red will occupy 45 of them, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 45, and the violet 80. As a ray of the sun may be separated into these seven colours, so by their mixture... | |
| Mrs. Jamieson (Frances Thurtle) - Costume - 1820 - 538 pages
...if the ,whole spectrum, or image, be divided into 360 equal parts, the red will occupy 45 of these parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80. " As a ray of the sun may be separated into these seven primitive colours, so, by their mixture in... | |
| Alexander Jamleson - 1821 - 456 pages
...If the whole spectrum be divided into 360 equal parts, the red will be found to occupy 45 of those parts; the orange 27; the yellow 48 ; the green 60; the blue 60; the indigo 40; and the violet 80. 3. As bodies reflect one or other of these colours, so they are denominated: those that reflect the... | |
| William Thomas Brande - 1821 - 506 pages
...prismatic colours, or spectrum, be divided into 360 equal parts, the red rays will occupy 45 of these parts, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80. Of these rays, the red being least refrangible, fall nearest that spot which they would have passed... | |
| Andrew Ure - Chemistry - 1821 - 418 pages
...this coloured image, or spectrum as it is called, be divided into 360 parts, the red will occupy 45, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet 80. The red rays being least bent by the prism, from the direction of the white beam, are said to be least... | |
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