Original ice cream trade magazine vintage ad for CHESTER-JENSEN COMPANY. Main office and plant was located at 5th and Tilghman Streets, Chester, PA. Manufacturers of STE-VAC Heaters. For Processing America's Finest Food In America's Finest Processing Plants - Chester-Jensen Ste-Vac Heaters. Photograph shows an SV-20 Ste-Vac Heater pasturing ice cream as The Hershey Creamery Company. This unique 1951 old dairy industry magazine advertisement would display wonderful matted and framed. Nice graphics.