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Selected Works of Edmund Wigan
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Improvements relating to Telephone Instrument Circuits
(1931)
  • Edmund Ramsay Wigan, Siemens
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Abstract
Patent Application 1931 GB363512A , submitted in the Name of Siemens
Disciplines
Publication Date
Winter December 24, 1931
Citation Information
Edmund Ramsay Wigan. "Improvements relating to Telephone Instrument Circuits" (1931)
Available at: http://works.bepress.com/edmund-wigan/29/