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This circa-1927 book from the Gurney Foundry Company contains information about Gurney boilers, radiators, and water heaters. Thanks to Bob Moore for scanning and sharing...

This circa-1905 booklet contains information about radiators from the Gurney Heater Manufacturing Company, including Gurney radiators, Duet radiators, Tremont radiators, ...

This circa-1927 brochure contains information and radiator ratings for the Gurney Foundry Company's Copley Radiator, a radiator "as beautiful as a piece of fine furniture...

This document contains information about the Heintz Manufacturing Company's Heintz Radiator Unit for concealed heating. Thanks to Frank "Steamhead" Wilsey for finding, sc...

This circa-1930 book shows the ratings for Herman Nelson Invisible Radiators, which were radiators that are inside the walls. This document was scanned and shared by our ...

What can be done to disguise the radiator and register? This article is from The House Beautiful magazine. There is no date, but it is most likely the late-1910s or early...

This circa-1927 article from The Trane Company shares how to Select and Install Trane Concealed Heaters. Thank you to our good friend, Frank "Steamhead" Wilsey for sharin...

This excerpt is from The Ideal Fitter (1922). You'll find indirect radiators (both steam and hot water) within basement ductwork. Often, there is a connection to outside ...

Here is a very complete circa-1924 Kewanee Boiler Company radiator catalog. Thanks to Andrew Strand for finding and sharing with us.

Thanks to Frank "Steamhead" Wilsey for finding and scanning this for us. He writes, "John Mills was a rather prolific inventor, who most of us know for the Mills boilers ...