Monarch MFG Co. / Utility MFG Co. / Spartus Corp., 711-15 W. Lake St., Chicago, IL
The Churchill mini-cam is merely one of dozens of brand names slapped on the lens plates of this and other similar 1940s bakelite molds. Known as the “Chicago Cluster,” the cameras patented and mass-produced by Jack Galter at his 711 W. Lake Street factory were famously marketed under numerous brand AND manufacturer names.