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Telegraph Transmitter
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Description: "A transmitter or key is a current interrupter manipulated by the operator. It consists essentially of a metal layer, L, pivoted at aa, and conneted to the line by the screw at m which is insultated from the base, and the screw at n which is connected to the base and lever." -Avery 1895
Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 565
Keywords: transmitter, key, current, interrupter, telegraph
Copyright: 2009, Florida Center for Instructional Technology. See license.
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