Here is a Capitol Boilers and Radiators catalog from the United States Radiator Corporation, printed in 1934. It features the Capitol Red Top Boilers (A Series, B Series, and C Series), Capitol Black Top Boilers, Capitol Oil Burning Boilers, Capitol Round Boilers, Capitol Radiators, Capitol Fincast Radiators, and Capitol Enclosures.
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).
This document contains the combustion chamber assembly instructions for the HB Smith Series 45 Mills Water-Tube Boiler for automatic firing with oil or gas (Steam, Vapor,...