Here is some very good literature on the Milwaukee Valve Company's vapor heating product offering from 1935, including the MILVACO Air Line Valve, the Type "M" Boiler Return Trap, the Type "V" Thermostatic Trap, MILVACO Quick Vents, MILVACO Automatic Air Valves, and the MILVACO Air Eliminator or Float Vent. Thanks to Patrick Linhardt for scanning and sharing.
Here is the original Installation and Operating Instructions and Parts List for The H.B. Smith Company's Oil Fired Cast Iron Hot Water Boilers (No. OHB-13W). This is esti...
The Henry Ford Museum in Dearborn, MI has an interesting hot-water heating system. Take a look at the radiators below. They are from the Shaw-Perkins Manufacturing Compan...
We estimate that this cast-iron boiler catalog from The Peerless Heater Company in Boyertown, PA is from the 1980s or 1990s.