The Rontgen rays need not hurt the patient; and spectrum analysis involves no destruction.
2
No, not these Rontgen vibrations- Idon'tknow that these others of mine have been described.
3
Everyone has been waiting for this work to give full information of Professor Rontgen's marvellous discovery.
4
The third element (in the order of classification) consists of waves analogous to the Rontgen rays.
5
In 1895 Rontgen drew closer attention to the Crookes tube by discovering the rays which he called X-rays, but which now bear his name.
6
Whence come the X-rays, Rontgen rays, and other light rays with their adaptability to human suffering, if they come not from this same electro-magnetic medium?