 Fahr. the rays emitted by a solid are invisible, but at that temperature they impress the eye with the sensation of red ; that the heat of the incandescing body being made continuously to rise, other rays are added, increasing in refrangibility as the...  The Chemistry of Light and Photographypor Hermann Wilhelm Vogel - 1875 - 288 páginasVista completa - Acerca de este libro
 | Alfred Ely Beach - 1874 - 630 páginas
...substances are red-hot is about 977° Fahr. ; that the spectrum of an incandescent solid is continuous, it contains neither bright nor dark fixed lines ; that...they impress the eye with the sensation of red ; that the heat of the incandescing body being made continuously to rise, other rays are added, increasing... | |
 | 1874 - 800 páginas
...substances are red-hot is about 977° Fahr. ; that the spectrum of an incandescent solid is continuous, it contains neither bright nor dark fixed lines ; that...they impress the eye with the sensation of red ; that the heat of the incandescing body being made continuously to rise, other rays are added, increasing... | |
 | Theodore Dwight Woolsey - 1876 - 524 páginas
...of red heat is about 977° F. ; that the spectrum of an incandescent solid is continuous, containing neither bright nor dark fixed lines; that from common temperatures up to 977° F. the rays emitted by a solid produce no effect on vision, but that at that temperature they impress... | |
 | 1876 - 982 páginas
...of red heat is about 977° F. ; that the spectrum of an incandescent solid is continuous, containing neither bright nor dark fixed lines ; that from common temperatures up to 977° F. the rays emitted by a solid produce no effect on vision, but that at that temperature they impress... | |
 | Theodore Dwight Woolsey - 1876 - 508 páginas
...of red heat is about 977° F. ; that the spectrum of an incandescent solid is continuous, containing neither bright nor dark fixed lines ; that from common temperatures up to 977° F. the rays emitted by a solid produce no effect on vision, but that at that temperature they impress... | |
 | 1876 - 802 páginas
...is continuous ; it contains neither bright nor dark fixed lines. 4. From common temperatures nearly up to 977° Fahr., the rays emitted by a solid are invisible. At that temperature they are red, and, the heat of the incandescing body being made continuously to... | |
 | William Biddle Atkinson - 1878 - 804 páginas
...substances are red-hot is about 977° Fahr. ; that the spectrum of an incandescent solid is continuous, it contains neither bright nor dark fixed lines ; that...Fahr. the rays emitted by a solid are invisible, but rt that lem]>eraturc they impress the eye with the sensation of red ; that the heat of the incandescing... | |
 | John William Draper - 1878 - 502 páginas
...is continuous ; it contains neither bright nor dark fixed lines. "4. From common temperatures nearly up to 977° Fahr., the rays emitted by a solid are invisible. At that temperature they are red, and the heat of the incandescing body beini; made continuously to... | |
 | Edward Clodd, Richard Anthony Proctor - 1883 - 382 páginas
...spectrum of an incandescent solid is continuous, it contains neither bright nor dark fixed lines; and from common temperatures up to 977°' Fahr., the rays...they impress the eye with the sensation of red ; that the heat of the incandescing body being made continuously to rise, other rays are added, increasing... | |
 | Henry Mills Alden, Frederick Lewis Allen, Lee Foster Hartman, Thomas Bucklin Wells - 1876 - 986 páginas
...common temperatures up to 977° F. the rays emitted by a solid produce no effect on vision, but that at that temperature they impress the eye with the sensation of red ; that the heat of the incandescing body being made continuously to rise, other rays are added, increasing... | |
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