Beautiful Old Machines Gallery
Georgetown University, DC steam radiators circa 1890
Gleaming new breeching
Heat exchanger
Holby mixing valve
Holby mixing valve
1949 steam gauges
1896 3-Pipe Paul System
Circulating pump
Refurbished 1981 boiler
Relief valves on boiler
Two-pipe/Air Vent System
Two-pipe/Air Vent System
Two-pipe/Air Vent System
Two-pipe/Air Vent System
1940 DHW tanks
1929 Gurney elevator motor
Beautiful combustion damper
Rockmills Steam Boiler
IC Burner Tag
IC Burner Tag.