 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...  A familiar introduction to the Arts and Sciences, etc - Page 221by Jeremiah Joyce - 1810 - 332 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 Refra&ion 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... | |
 | English essays - 1755 - 722 pages
...be divided lengthwife into 360 equal parts, it has been found, that the red dull take up 45 of them, the orange 27, the yellow 48, the green 60, the blue 60, the indigo 40, and the violet So ; and if all thefe rays or colours be mixed together, according to this proportion, they produce... | |
 | James Ferguson - Astronomy - 1767 - 356 pages
...fappojing the whole. breadth thereof to be divided into 360, equal parts. t - • ..." • The red, 45 parts; the orange, 27: the yellow, 48; the green,...the blue, 60 ; the indigo, 40 ; and the violet, 80. i_. If the flat upper furface of a top be divided into 360 equal parts, all around its edge, and be... | |
 | Henry Kett - Books and reading - 1806 - 576 pages
...indigo, and violet ; and if the whole image be divided into 360 equal parts, the red will occupy 45, the orange 27, the yellow 48, the green 60, the blue 6*0, the indigo 40, and the violet 80 '. As a fay of the fun may be feparated into thefe fevon primitive colours, fo by their mixture in... | |
 | 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... | |
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