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Scientific American, Vol. 89, No. 20 (November 1903) (1903)

leaf 24

An illustration from Scientific American, Vol. 89, No. 20 (November 1903), 1903, leaf 24
mbia or Victor Disc Records. We willforfeit *10O to anyone who remits $3.00 and can prove we do notsend a Talking Machine complete with 25 points, Includinga Comic Sons. It reproduces songs, speeohes, band music, etc.,and can be used at all entertainments and concerts, in any sizehall or room. It… … ELECTRO MOTOR. SIMPLE, HOW TO make. -By G. M. Hopkins. Description of a small elec-tric motor devised and constructed with a view to assist-ing amateurs to make a motor which might be drivenwith advantage by a current derived from a battery* andwhich would hav? sufficient power to operate a…

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