St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 190
-flght.—The WhirUgig.—The Naval Battle.—A String of Fish.—A Magnetic Gun.—ATop Upsidedown.—A Magnetic Windmill.—A Compass Upsidedown.—TheMagnetic Acrobat.—The Busy Ant-hill.—The Magnetic Bridge.—ThcMerry-go-Kound.—The Tight-rope Walker.-A Magnetic Motor Using Attractions andRepulsions. The Book and… … Enough of the principles of electricity are brought out to makethe book instructive as well as amusing. The experiments aresystematically arranged, and make a fascinating science course. Nochemicals, no danger. The book is conversational and not at all schooly, Harry andNed being two boys who…
Electricity
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