The cover image was created by the transcriber and is placed in the public domain.
ROENTGEN RAYS AND PHENOMENA OF THE ANODE AND CATHODE.
DR. WILLIAM KONRAD ROENTGEN. pp. [69] to [85].
Born in Holland, 1845.
From a photograph by Hanfstaengl, Frankfort-on-the-Main.
ROENTGEN RAYS
AND
PHENOMENA