On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 66
... blue sky is also transparent . At the time these observations were made at Malta , Captain Jacob discovered the transparent ring at Madras . It is conjectured to be fluid ; even the luminous rings cannot be very dense 66 SECT . IX ...
... blue sky is also transparent . At the time these observations were made at Malta , Captain Jacob discovered the transparent ring at Madras . It is conjectured to be fluid ; even the luminous rings cannot be very dense 66 SECT . IX ...
Page 158
... blue light in greatest abundance ; the higher we ascend , the sky assumes a deeper hue ; but , in the expanse of space , the sun and stars must appear like brilliant specks in profound blackness . - SECTION XIX . Constitution of Light ...
... blue light in greatest abundance ; the higher we ascend , the sky assumes a deeper hue ; but , in the expanse of space , the sun and stars must appear like brilliant specks in profound blackness . - SECTION XIX . Constitution of Light ...
Page 159
... blue , indigo , and violet - of which the red is the least refrangible , and the violet the most . But , when he reunited these seven rays by means of a lens , the compound beam became pure white as before . He insulated each coloured ...
... blue , indigo , and violet - of which the red is the least refrangible , and the violet the most . But , when he reunited these seven rays by means of a lens , the compound beam became pure white as before . He insulated each coloured ...
Page 160
... blue finger - glass is not a homogeneous colour like the blue or indigo of the spectrum , but is a mixture of all the colours of white light which the glass has not absorbed . The colours absorbed are such as mixed with the blue tint ...
... blue finger - glass is not a homogeneous colour like the blue or indigo of the spectrum , but is a mixture of all the colours of white light which the glass has not absorbed . The colours absorbed are such as mixed with the blue tint ...
Page 161
... blue glass absorbs the red light , which when mixed with the yellow constitutes orange ; and also absorbs the blue light , which when mixed with the yellow forms the part of the green space next to the yellow . Hence , by absorption ...
... blue glass absorbs the red light , which when mixed with the yellow constitutes orange ; and also absorbs the blue light , which when mixed with the yellow forms the part of the green space next to the yellow . Hence , by absorption ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire