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
by Roentgen rays. THE INDUCTION COIL. 325 capable of producing rays of this light, it penetrates themwith different intensities, according to their density, so thatthe sensitized plate, upon development, shows the shadows of the objects inter-made from such aWhen the humanprotected plate… … Fig. 293.—Focus Tube for X-Ray Work. penetrates the flesh and affects portions of the plate directlyunderneath it. A print made from such a negative givesshadows of the bones and a faint outline of the flesh. Theshadows of the bones in all animal bodies can thus be made,and broken bones andforeign…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
