Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 963
930] The Telephone. 937 … Fig. 920. are produced in alternate directions in the coil surrounding the pole.Moreover, the alteration in the relative positions of the magnetised dia-phragm, thus magnetised by induction, and of the coil, give rise to currentsin the same direction as the above. These alternating currents,…
Physics
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
