A patent for H.G. Ashton's Improvement in Lock Safety Valves for Steam Boilers.
(Courtesy of Rick Ashton, great great grandson of Henry G. Ashton who started the Ashton Valve company in 1872. The company was built on the popularity of his patented "pop" safety valve.)
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.