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" If anoto glass, FG, of the same convexity as DE, be placed in the rays at the same distance from the focus, it will refract them so, as that, after going out of it, they will be all parallel... "
Scientific Dialogues: Intended for the Instruction and Entertainment of ... - Página 61
por Jeremiah Joyce - 1809
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An Easy Grammar of Natural and Experimental Philosophy: For the Use of ...

Sir Richard Phillips - 1807 - 212 páginas
...the rays of tlu sun; which act* ** a. double convex lens. 215. If another double convex FG fig. 41, be placed in the rays at the same distance from the focus, it will so refract the rays, that ihey shall gooutof it parallel toone another. tJImstralten. It is evident that nil the...
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The British encyclopedia, or, Dictionary of arts and sciences, Volumen5

William Nicholson - 1809 - 716 páginas
...it to the contrary sides, in the same manner as they converged in coming to it. Ifaiother glass, FG, of the same convexity as DE, be placed in the rays at the, same distance from the focus, it will refract them so, as that, after, going out of it, they will be all parallel, as be ; and go on in the...
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The British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volumen5

William Nicholson - 1809 - 684 páginas
...the same manner as they converged in coming to it. Ifanother glass, FG, of the same convexity as DK, be placed in the rays at the same distance from the focus, it will refract them so, as that, after going out of it, they will be all parallr-l, as be ; and go on in the...
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Systematic Education: Or Elementary Instruction in the Various ..., Volumen2

William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 páginas
...same manner as they converged in coming to it. And if another glass, FG, of the same convexity as AB, be placed in the rays at the same distance from the focus, it will refract them so, as that, after going out of it, they will be all parallel, and proceed in the same...
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British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volumen9

William Nicholson - 1821 - 402 páginas
...it to the contrary sides in the same manner as they converged in coming tu it. If another glass, FG, of the same convexity as DE, be placed in the rays at the same distance from the focus, it will refract them so, as that, after going out of it, they will be all parallel, as 6 c ; and go on in the...
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American Edition of the British Encyclopedia: Or, Dictionary of ..., Volumen9

William Nicholson - 1821 - 406 páginas
...it to the contrary sides in the same manner as they converged in coming to it. If anoto glass, FG, of the same convexity as DE, be placed in the rays at the same distance from the focus, it will refract them so, as that, after going out of it, they will be all parallel, as bc ; and go on in the...
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Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Volumen1

James Ferguson - 1823 - 406 páginas
...sides, in the same manner FfG, as they converged in the space DfE in coming to it. If another glass FG, of the same convexity as DE, be placed in the rays at the same distance from the focus, it will refract them so, as that after going out of it, they will be all parallel, aaaoc; and go on in the...
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Of optics, magnetism, electricity and galvanism

Jeremiah Joyce - 1825 - 354 páginas
...? Tutor. Certainly, in the same manner as they jConverged in coming to it ; and if another glass y G, of the same convexity as DE, be placed in the rays at the same distance from tlie focus, it . will so refract them, that, after going out of it, * they will be parallel, and so...
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A Grammar of Natural and Experimental Philosophy ...: With One Hundred ...

Sir Richard Phillips - 1826 - 236 páginas
...the rays of the sun, which acts as a double convex lens. 164. If another double convex FG, fig. 44, be placed in the rays at the same distance from the focus, it will so refract the rays back again, that they will go out of it parallel to one another. lltias. It is evident that...
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The Literary and Scientific Class Book: Embracing the Leading Facts and ...

Levi Washburn Leonard - 1827 - 398 páginas
...focal distance, which is equal to half the diameter of the sphere. If another double convex lens FG be placed in the rays at the same distance from the focus, it will so refract the rays, that they shall go out of it parallel to one another. It is evident that all the rays except...
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