Source: Index to building images that appeared in the St. Louis Post-Dispatch, 1917, 1919-March 1932 Location: Microfilm
Corporate Name:	Simplex Radio Supply Co., Inc.
Building Illustration:	yes
Address:	3321 Washington Blvd.
Date of Newspaper:	1927 September 18
Part of Newspaper:	6
Page:	16
Remarks:	new building