St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 189
se who merely have information from books. Any young man who wants to get at the root of the matter andbuild up a solid foundation of theoretical and practical informa-tion will find this book a great help—no matter what other bookshe may have upon the subject. It tells what to make and how to make… … Children like to do experiments; and in this way, better thais iiiany other, a practical knowledge of the elemenis of magnetism maj beobtained. These experiments, although arranged to amuse boys and girls,have been found to be very useful in the class-room to supplementthe ordinary exercises given…
Electricity
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