Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 344
an foot in a shoeis illustrated in Fig.292. The nails of theshoe, etc., as wrell 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… … Fif 294.—Examining the Bones cf the Handby the Fluoroscope. 326 PRACTICAL ELECTRICITY. negative pole of the induction coil and forms the cathode olthe 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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