Here's the whole Warren Webster line from 1943, along with some very clear explanations of how their heating system worked. After the catalog material, you will find the patent for the company's boiler return trap. Thanks to Gerry Gill for finding and sharing that one.
This booklet from 1905 showcases how American Radiator Company's radiators could become decorative pieces in a home. It highlights the "beauty in modern radiators" of tha...
American Radiator Company manufactured their Colonial Wall Radiators around 1905. The document attached below is an excerpt from The Ideal Fitter (1905) that states "The ...
Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.