St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 19
Fig. 14. large, the quantity of elecftricity is verj small. It wouldtake thousands of galvanic cells to produce a spark aninch long. While the quantity of static ele(ftricity is ABOUT FRICTlONAIv ELECTRICITY. 17
Electricity
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