 If a beam of daylight be admitted into a dark room by a crevice -fa of an inch broad, and received by the eye at the distance of 10 to 12 feet through a prism of flint glass, free from veins, held near the eye, the beam is seen to be separated into the...  Prismatic and Diffraction Spectra: Memoirs - Sivu 62tekijä(t) Joseph von Fraunhofer - 1899 - 67 sivuaKoko teos - Tietoja tästä kirjasta
 | Royal Society (Great Britain) - 1802 - 638 sivua
...seen, with a degree of distinctness that, I believe, has not been described nor observed before. If a beam of day-light be admitted into a dark room by...crevice ~ of an inch broad, and received by the eye at the distance of 10 or 12 feet, through a prism of flint-glass, free from veins, held near the eye,... | |
 | 1803 - 572 sivua
...seen, with a degree of distinctness that, I believe, has not been described nor observed before. ' If a beam of day-light be admitted into a dark room by a crevice T*j of an inch broad, and received by the eye at the distance of lo or 12 feet, through a prism of... | |
 | 1823 - 506 sivua
...noticing the following experiment made by Dr. Wollaston, Phil. Trans. 1802, vol. 92, p. 2 :— " If a beam of daylight be admitted into a dark room by a crevice l-20th of an inch broad, and received by the eye at the distance of 10 or 12 feet, through a prism... | |
 | 1823 - 506 sivua
...noticing the following experiment made by Dr. Wollaston, Phil. Trans. 1802, vol. 92, p. 2 :— " If a beam of daylight be admitted into a dark room by a crevice l-20th of an inch broad, and received by the eye at the distance of 10 or 12 feet, through a prism... | |
 | 1854 - 702 sivua
...believe has been described nor observed before. If a beam of daylight be admitted into a dark rooin by a crevice ' .,,, of an inch broad, and received by the eye at the distance of 10 or 13 feet through a prism of flintglass, free from veins held near the eye, the... | |
 | 1875 - 1140 sivua
...seen, with a degree of distinctness that, I believe, has not been described nor observed before. " If a beam of daylight be admitted into a dark room by a crevice ?'j of an inch broad, and received by the eye at the distance of 10 to 12 feet through a prism of flint... | |
 | Sir Norman Lockyer - 1874 - 734 sivua
...seen with a degree of distinctness that I believe has not been described nor observed before. " If a beam of daylight be admitted into a dark room by...crevice ^ of an inch broad, and received by the eye, at the distance of tenor twelve feet, through a prism of flint glass free from •veins, held near the... | |
 | Sir Norman Lockyer - 1874 - 748 sivua
...seen with a degree of distinctness that I believe has not been described nor observed before. " If a beam of daylight be admitted into a dark room by a crevice ,.'n of an inch broad, and received by the eye, at the distance of tenor twelve feet, through a prism... | |
 | Robert Routledge - 1881 - 748 sivua
...seen with a degree of distinctness that, I believe, has not been described or observed before. " If a beam of daylight be admitted into a dark room by a crevice j1oth of an inch broad, and received by the eye at the distance of ten or twelve feet through a prism... | |
 | United States. Congress. House - 1883 - 896 sivua
...of his assertion that Newton did employ a slit and did obtain a pure spectrum. Wollaston says: "If a beam of daylight be admitted into a dark room by a crevice l-20th of an inch broad and received by the eye at a distance of 10 or 12 feet through a prism of flint... | |
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