POWER RESTORED to marine boilers and equipment Many lake ship operators have found Dowell's dockside Chemical Service a rapid, effective method of removing scale from heat exchange equipment. CHEMICAL CLEANING SERVICE! BOWELL TULSA 3, OKLAHOMA Subsidiary of The Dow Chemical Company Branches: Fisher Bldg., Chicago 2 Terminal Tower, Cleveland 13 Fisher Bldg., Detroit 2 Mt. Pleasant, Michigan THE F. P. WEAVER COAL CO. LIMITED TORONTO HAMILTON THOROLD WINDSOR THE FLOOD COMPANY Manufacturers of PENETROL Stops Rust A Reinforcing Reducer for Paint A Vehicle for Aluminum Pigment 6217 Carnegie Ave. Cleveland, Ohio | 233