Here is a circa-1949 patent from The Cleveland Heater Company for a water heating device with a corrosion protective anode. Gerry Gill tells us that this company was at the forefront of anode protection. Joe Szakacs first shared this information with Gerry, and now he has shared it with us. Rest in peace, Joe. Thanks.
This document contains the complete illustrated instructions for installing the Hercules Steam and Hot Water Heating System, a boiler manufactured by Sears, Roebuck and C...
This document contains the manufacturer's instructions for the HB Smith Series M450L Mills Water-Tube Boiler for automatic firing with oil or gas (Steam, Vapor, or Water ...
This document contains the jacket assembly instructions for the HB Smith Series 45 Mills Boiler (circa 1979).