Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 344
an foot in a shoeis illustrated in Fig.292. The nails of theshoe, etc., as well asthe bones of the foot,are clearly discernible.Professor Roentgenfirst called the rays ofthis peculiar light X-Rays, but they areusually named in hishonor, Roentgen rays.A common form oftube used in X-ray work, called… … Fig, 294.—Examining the Bones cf the Handby the Fluoroscope. 326 PRACTICAL ELECTRICITY. negative pole of the induction coil and forms the cathode o!the tube. The anode is a piece of sheet platinum inclined atabout 40° to the axis of the tube, similarly connected to thepositive pole of the induction…
Electricity · Magnetism
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