Source: "Report of the Industrial Bureau of the Industrial Club of St. Louis," 1928-1935. Some issues are titled "Southwest-Southeast Business" and "Saint Louis Business." Location: St.L. / 607 / In2r
Last Name:	Siegel
First Name:	Roy
Middle Name:	R.
Corporate Name:	Simplex Manufacturing Company
Address:	621 Delmonte Way
Report Number:	25
Date:	January 6, 1930
Page:	6