Disc Telegraph
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Description: A telegraph in which the letters of the alphabet or figures are placed on a circular plate in such a manner that they can be brought to succession to an opening, or indicated in sucession in some other way, as by a pointer.
Source: William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia: J. B. Lippincott & Co., 1881)1658
Keywords: phone, fone, morse,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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