Here is the patent for an interesting piping system, offered by the Murrays, father and son. Gerry Gill, who found and shares this with us, comments, "This patent lists both the father and the son, so the heating system patent was the son's work, but both must have worked together on heating because they have many patents, but all seem to be within the same 15-year range. I like the induced chimney effect on their radiators." We do too!
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.