Original ice cream trade magazine vintage ad for DRY-ZERO CORPORATION. Main office was located in the Merchandise Mart, Chicago, IL. Freeman Dairy of Flint, MI. ice cream truck is pictured. It was built by the Dow Chemical Company of Midland, and uses Dry-zero insulation. Dead weight dogs the trail of every truck. Saving up to many hundred pounds of useless dead weight on refrigerated trucks, Dry-Zero cuts operating costs and permits carrying more pay load. This unique 1933 old dairy industry magazine advertisement would display wonderful matted and framed. Nice graphics.