...Frank McClean’s24-inch refractor, with an object-glass prism for spectroscopic work...
George Forbes 「History of Astronomy」
...The magician's wand, with which we strike thesunbeam and sort the tangled skein into perfect order, is the simpleinstrument known as the glass prism...
Robert Stawell Ball 「The Story of the Heavens」
...The Spectroscope, an instrument devised for the examination of spectra,is, in its simplest form, composed of a small tube with a narrow slitand prism at one end, and an eye-piece at the other...
Cecil G. Dolmage 「Astronomy of To-day」
...If with a glass prism of a certain form weproduce a spectrum of the sun, this spectrum will be thrown a certaindistance away from the point on which the sun's rays would fall if notinterfered with...
Richard A. Proctor 「Half-hours with the Telescope」
...Now, if we change our prism for anotherof exactly the same shape, but made of a different kind of glass, weshall find the spectrum thrown to a different spot...
Richard A. Proctor 「Half-hours with the Telescope」
...ABC is a totallyreflecting prism of glass...
Richard A. Proctor 「Half-hours with the Telescope」
...The prism actslike a sieve sorting out the different kinds of light...
Oliver Lodge 「Pioneers of Science」
...A spectrum is a collection of the colors which are dispersed bya prism from any given light...
Henry Warren 「Recreations in Astronomy」
...We have in the prism the means of decomposing the light from the sun, orthe light from any other source, into its component parts...
Robert Stawell Ball 「The Story of the Heavens」
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