"Luminosity" Quotes from Famous Books
 ... really exhibited the dimensions assigned to it, the probability is that it was not a gem at all, but one of those counterfeits of glass, in producing which STRABO relates that the artists of Alexandria attained the highest possible perfection (1. xvi. c. 2. sec. 25). Its luminosity by night is of course a fiction, unless, indeed, like the emerald pillar in the temple of Hercules at Tyre, which HERODOTUS describes as "shining brightly by night," it was a hollow cylinder into which a lamp could be introduced. ...
— Ceylon; an Account of the Island Physical, Historical, and • James Emerson Tennent
... 'self-luminous', and that as a planet, besides the light which it receives from the central body, the Sun, it shows itself capable in itself of developing light. The intensity of the terrestrial light, or, rather the luminosity which is diffused, exceeds, in cases of the brightest colored radiation toward the zenith, the light of the Moon in its first quarter. Occasionally, as on the 7th of January, 1831, printed characters could be read without difficulty. This almost uninterrupted development of light p 202 in the ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt
... into no line of evolution whatever, and was as wonderful to the student of Gothic architecture in the twelfth century, as to the student of the dynamo in the twentieth. Studied in the dry light of conservative Christian anarchy, Russia became luminous like the salt of radium; but with a negative luminosity as though she were a substance whose energies had been sucked out — an inert residuum — with movement of pure inertia. From the car window one seemed to float past undulations of nomad life — herders deserted by their leaders and ...
— The Education of Henry Adams • Henry Adams
... hydrocarbons seems therefore to be a retrograde step, useful undoubtedly in certain cases, as in the Bunsen flame of the laboratory, but not the ideal method of combustion. The ideal method looks to the use of a very rich gas, and the burning of it with a maximum of luminosity. The hot products of combustion must give up their heat by contact. It is for them that cross tubes in boilers are useful. They have no combustion to be interfered with by cold contacts. The flame ...
— Scientific American Supplement, No. 586, March 26, 1887 • Various
... and more distasteful, until he found that he was actually writing against the grain. He threw this aside impatiently, and with extraordinary energy and enthusiasm began a new story, Weir of Hermiston, which would undoubtedly have been his masterpiece, had he lived to complete it. In luminosity of style, in nobleness of conception, in the almost infallible choice of words, this astonishing fragment easily takes first place in Stevenson's productions. At the end of a day spent in almost feverish dictation, the third of December 1894, he suddenly fainted, ...
— Essays of Robert Louis Stevenson • Robert Louis Stevenson
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