Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896 (1897)
Thompson, Silvanus Phillips, 1851-1916, Royal Institution of Great Britain · New York : Macmillan · leaf 282
reat heat.Glass was melted, diamonds charred, platinum foilheated red-hot and even fused by the impact of the VI RONTGEN LIGHT 257 concentrated kathode stream. In the focusing-tubenow before you—an old one, made more than ten yearsago—there is a piece of thin platinum foil hung in thetube to be… … Fig. 137. falls upon the surface of the platinum foil, which younow see is raised to a bright red heat. Since the date, now nearly twenty years ago, whenthese most beautiful and astonishing observations weremade by Crookes, there has been much speculation asto the nature of these interior kathode…
Light · X-rays
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