Chicago : [Popular Engineering Pub. Co.] · leaf 548
JUNOl SECTION HOLIDAY ELECTRICAL TOYS. For trie bo\ who wants to do things — ■ through the fruits of his own labors, is and what boy who is worth his salt does in control of a complete 24-watt ma- not? — the electrical toys of to-day pre- chine, and knows more about dynamos sent a veritable… … COilPLETE MINIATURE POWER PLANT. nary way could have taught him. And this is but the key to a whole field of endeavor, since being now in the pos- session of a source of current, he is en- abled to try the numberless experiments which immediately suggest themselves to his whetted appetite. For…
Electricity
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