Scientific Memoirs Microform Being Experimental Contributions to a Knowledge
Scientific Memoirs Microform Being Experimental Contributions to a Knowledge
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This portion of the apparatus is, however, nothing more than the sliding part of a com- MEMOIR VII. ] STUDIES IN THE DIFFRACTION SPECTRUM.
mon photographic camera, which contains the ground glass and shields for sensitive preparations. " In the publication above referred to I gave engravings of the results thus obtained; the fixed lines were marked by their wave-lengths. The photographs were very clear and beautiful; they bore magnifying six or eight times without injury to their sharpness.
I m...ay here be permitted to add that it was on the publication of these researches in 1844 that I first made the suggestion to describe spectrum effects by wave- lengths, or what, perhaps, is still better, by ether vibra- tions a method now generally adopted. I may give the following extracts: " In the earlier discussions of the chemical effects of light, the different regions of the spectrum were marked out by the designations of the different colored rays, and effects were described as taking place in the red or yel- low or violet regions respectively.
What to read after Scientific Memoirs Microform Being Experimental Contributions to a Knowledge?
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To quickly assess the difficulty of the text, read a short excerpt:
This portion of the apparatus is, however, nothing more than the sliding part of a com- MEMOIR VII. ] STUDIES IN THE DIFFRACTION SPECTRUM.
mon photographic camera, which contains the ground glass and shields for sensitive preparations. " In the publication above referred to I gave engravings of the results thus obtained; the fixed lines were marked by their wave-lengths. The photographs were very clear and beautiful; they bore magnifying six or eight times without injury to their sharpness.
I m...ay here be permitted to add that it was on the publication of these researches in 1844 that I first made the suggestion to describe spectrum effects by wave- lengths, or what, perhaps, is still better, by ether vibra- tions a method now generally adopted. I may give the following extracts: " In the earlier discussions of the chemical effects of light, the different regions of the spectrum were marked out by the designations of the different colored rays, and effects were described as taking place in the red or yel- low or violet regions respectively.
What to read after Scientific Memoirs Microform Being Experimental Contributions to a Knowledge?
You can find similar books in the "Read Also" column, or choose other free books by Draper John William to read onlineMoreLess
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