St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 21
tothe earth. The ends of the rods are placed deep in theearth, Fig. 17. … ABOUT FRICTIONAI, ELECTRICITY. 19 22. St. Elmos Fire. Elecftrification from the earthis often drawn up from the earth through the masts of
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