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Things a boy should know about electricity (1900)

St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 193

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^ inches. The Book and Complete Outfit will be sent, by mail orexpress, Charges Prepaid, upon receipt of 65 Cents, by THOMAS n. ST. JOHN, 848 Ninth Ave., New York. Fun With Telegraphy TWO OUTFITS FOR AMATEURS AND STUDENTS … Every boy can make use of telegraphy in one way or another, and the timetaken to learn it v:il\ be well spent—to say nothing about the fun. Aftermaking and experimenting with about one hundred models, many of whichwere good, Mr. St. John has at last perfected these outfits, which he can per-sonally…

Electricity

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