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Scientific American, Vol. 100, No. 23 (June 1909) (1909)

leaf 16

An illustration from Scientific American, Vol. 100, No. 23 (June 1909), 1909, leaf 16
interesting matter and useful information; also a -wonderful proposition Insulator, electric line, R. Henry 922.477 on the first sample bicycle going to your town. It only costs a postal to get everything. Write it now. Insulator, third rail, L. M. Randolph 922,951 aberrations, the tester hunts for… … HOT BATH IN TWO MINUTES versation; develops will, public sp.iaking, personality Measuring and indicating device, H. J. Send today for Free Booklet. Address ■* camera, twin eyes of science and the two Marx 922.931 DICKSON MK5I0HY SCHOOL, 700 Auditorium Bldg., Chicago FOR TWO CENTS Mechanical…

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