Skip to main content
profile image
Selected Works of Edmund Wigan
Other
Improvements relating to Electric bells
(1934)
  • Edmund Ramsay Wigan, Siemens
Download
Abstract
UK Patent Application 1934 GB420549A, in the Name of Siemens
Disciplines
Publication Date
Winter December 4, 1934
Citation Information
Edmund Ramsay Wigan. "Improvements relating to Electric bells" (1934)
Available at: http://works.bepress.com/edmund-wigan/34/