Nikola Tesla Patents_page_6

Nikola Tesla Patents | page 6 | https://thedailydialectics.com/pdfs/tesla/Nikola Tesla Patents/Nikola Tesla Patents.pdf

Still another modification is shown in Fig.4, in which S, the source of radiant energy is a special form of Roentgen tube devised by me, having only one terminal k, generally of aluminium, in the form of half a sphere, with a plain polished surface on the front side, from which the streams are…