St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 150
e seen. Fig. 222shows the arrangement of battery, inducftion coil, focustube, etc., for examining the bones of the human body. Fig. 223 shows the bones of a fish. Such photographshave been very valuable in discovering the location ofbullets, needles, etc., that have become imbedded in theflesh, as… … Fig. 224. strong magnetic field, a current of elecflricity is generated.We have now to deal with the opposite of this ; that is,we are to study how motioti can be produced by allowing
Electricity
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
