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Means for Guaging Minute displacements
(1937)
  • Edmund Ramsay Wigan, Siemens
Abstract
UIS Patent Application 1935, US2073913A
Publication Date
Spring March 16, 1937
Citation Information
Edmund Ramsay Wigan. "Means for Guaging Minute displacements" (1937)
Available at: http://works.bepress.com/edmund-wigan/37/