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 285
ly employed by Hertz. The end opposite thekathode was simply of glass, without any brass cap oraluminium window. Thus prepared he found what Ihave already described, those mysterious rays whichwith characteristic modesty he described as X-rays,but which will always be best known as Rontgens… … Fig. 139. indeed to be formed by the destruction of the kathoderays, having for their origin the spot where the kathoderays strike against any solid object, best of all againstsome heavy metal such as platinum or uranium.Neither are they ordinary light of either the infra-redor of the ultra-violet…
Light · X-rays
Internet Archive · UBC Library · Public Domain Mark 1.0. Free to use for anything.
