The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 55
Fig. 13. Shows storage battery, Ritchie coil with hammer interrupter, and tube. 24 THE ROENTGEN RAYS IN MEDICINE AND SURGERY … Fig. 14. Shows motor-generator, Ritchie coil with hammer interrupter, and tube. A motor-generator is a small dynamo combined with an electric motor. Instead of a motor-generator a small dynamo may be used that can be run by a water motor or a gasoline engine.
Radiography · X-rays
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
