The London, Edinburgh and Dublin philosophical magazine and journal of science . opposite to the kathode being spherical, can be made verythin, and the electrodes are kept well apart. The kathodeis best made very nearly plane—if concave it will easily fusethe thin glass against which its rays are projected ; we havelost many tubes from this cause. We have found that thebulb may be conveniently about three or four centimetres indiameter and the main tube as little as 1*5 to 2 cm. in expansions round the electrodes are intended to obviatelocal heating, for it is not always easy to p
The London, Edinburgh and Dublin philosophical magazine and journal of science . opposite to the kathode being spherical, can be made verythin, and the electrodes are kept well apart. The kathodeis best made very nearly plane—if concave it will easily fusethe thin glass against which its rays are projected ; we havelost many tubes from this cause. We have found that thebulb may be conveniently about three or four centimetres indiameter and the main tube as little as 1*5 to 2 cm. in expansions round the electrodes are intended to obviatelocal heating, for it is not always easy to prevent oscillatorydischarges and consequent * kathoding from the anode/The chief merits from our point of viewT, however, were thattie tubes were very easy to make out of comparatively smallglass tubing. Their volume is small, so that they can beexhausted quickly, and they give very intense action. Infact one tube—the bulb of which ultimately fused under the Experiments with JRontgens Rays. 455 influence of the kathode-discharge—gave quite as intense ifnot more intense
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Keywords: ., bookcentury1800, bookdecade1840, bookidlondon, booksubjectscience
