Source: The Broadcaster, December 1, 1927, to April 19, 1932 (newsletter published in St. Louis by the Arkansas-Missouri Plant Department, Southwestern Bell Telephone Company)
Location: Frances L. Dewey Papers, Archives
Last Name:Cockroft
First Name:W.
Photograph:Yes
Last Name, Alternate Spelling:Cockcroft
Volume:II
Issue:30
Date of Publication:June 29, 1929
Page:1