 | Sir Norman Lockyer - Science - 1896 - 906 pages
...solid. It is, hence, obvious that lenses cannot be looked upon as capable of concentrating the X-rays ; in effect, both an ebonite and a glass lens of large...edge. (8) The preceding experiments, and others which I pass over, point to the rays being incapable of regular reflection. It is, however, well to detail... | |
 | Photography - 1896 - 598 pages
...capable of concentrating the X rays ; in effect, both an ebonite and a glass lens of large size proved to be without action. The shadow photograph of a round...edge. (8) The preceding experiments, and others which I pass over, point to the rays being incapable of regular reflection. It is, however, well to detail... | |
 | Albert Shaw - Literature - 1896 - 814 pages
...all these cases the result, whether by the fluorescent screen or the photographic method, radicated no difference in transparency between the powder and...edge. (8) The preceding experiments, and others which I pass over, point to the rays being incapable of regular reflection. . . . Since I have obtained no... | |
 | Alfred Sidney Johnson - History - 1897 - 1074 pages
...cannot lie looked upon as capable of concentrating the X rays; in effect, both an el>onite and a glas& lens of large size prove to be without action. The...edge. 8. The preceding experiments, and others which I pass over, point to the rays being incapable of regular reflection. It is, however, well to detail... | |
 | George Frederick Barker - Cathode rays - 1898 - 114 pages
...neither a large lens of hard rubber nor a glass lens having any influence upon them. The shadow-picture of 'a round rod is darker in the middle than at the edge; while the image of a tube which is filled with a substance more transparent than its own material is... | |
 | Mihran Krikor Kassabian - 1907 - 676 pages
...neither a large lens of hard rubber nor a glass lens having any influence upon them. The shadow-picture of a round rod is darker in the middle than at the edge ; while the image of a tube which is filled with a substance more transparent than its owu material... | |
 | Oliver Joseph Thatcher - Encyclopedias and dictionaries - 1907 - 494 pages
...; and, indeed, a great hard rubber lens and a glass lens actually proved without effect. The shadow of a round rod is darker in the middle than at the edges, while that of a tube which is filled with some substance more transmissible than the material... | |
 | Literature - 1896 - 860 pages
...reflection or refraction of the X rays. The research was conducted by the aid of finely-powdered rock-salt, fine electrolytic silver powder and zinc dust already...edge. (8) The preceding experiments, and others which I pass over, point to the rays being incapable of regular reflection. . . . Since I have obtained no... | |
 | Smithsonian Institution. Board of Regents - 1898 - 940 pages
...lenses; and, indeed, a great hard rubber lens and a glass lens actually proved without effect. The shadow of a round rod is darker in the middle than at the edges, while that of a tube which is filled with some substance' more transmissible than the material... | |
 | American periodicals - 1896 - 1048 pages
...between the powder and the coherent solid. It is, hence, obvious that lenses cannot be looked u)>on as capable of concentrating the X rays; in effect,...walls, exhibits the middle brighter than the edge. I exposed a plate protected by a black paper sheet, to the X rays, so that the glass side lay next... | |
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Xrays; in effect, both an ebonite and a glass lens of large size prove to be without action. The shadow photograph of a round rod is darker in the middle than at the edge; the image of a cylinder filled with a body more transparent than its walls exhibits... 
