Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 502
rter, 29 45° THE X RA YS. and many new observations have been added, some of which seem totend not so much to elucidate the phenomena, as to prove them even morecomphcated than was at first supposed. Such was the announcement inJune, 1896, of the discovery of several varieties of X rays. In the… … Fig. z})1c.—Metal Objects taken through Calico aiid Sheet of Aluminium. are given off from platinum more copiously than from glass, aluminium,or any other substance, and by using a tube closed by a platinumwindow, on which the cathode rays impinge, Mr. Gifford has been ableto reduce the time of…
Inventions
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