A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 804
Fig. 717.—Lines of force of two barmagnets, unlike poles together. Fig. 718.- Lines of force of two barmagnets, like poles together. Expt. 166.—Lines of force of two bar magnets, like poles together.Repeat Experiment 165, but with the N poles together as in Fig. 718. Expt. 167.—Lines of force by…
Physics
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