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Arco's Ventilorad Radiator Booster was an electric heat booster for ordinary radiator. Here is the literature from 1937, along with a letter to wholesale distributors fro...

This book featuring Bundy Radiators for Steam and Hot Water heating was published in 1894 in New York by the A. A. Griffing Iron Co.

This circa-1926 booklet from Central Radiator Company showcases their radiators for steam and hot-water heating. Some of these radiators had a unique torch and flame deco...

Corto, the Radiator Classic, was the creation of Louis Courtot - a French artist engineer long affiliated with the American Radiator Company. This radiator was meant to b...

This booklet from 1952 about Crane Radiant Baseboard Panels covers more than just the baseboard radiators. It also gets into system engineering, Crane boilers, and even s...

Here is an excerpt from the 1925 edition of The Ideal Fitter (from the American Radiator Company) featuring Peerless curved, corner, 45-degree angle, pantry, and circular...

This chart is from the U.S. Department of Commerce’s National Bureau of Standards, published on July 19, 1935. For a number of years this subject has received considerabl...

This circa-1901 booklet from The Dominion Radiator Company out of Toronto, Canada is a joy to read and is beautifully illustrated. It's early-20th-Century marketing at it...

Here is the Exeter Radiator and the Matthews' Radiator Foot Rests from the Walworth Manufacturing Company (1842-1892). Thanks to Frank "Steamhead" Wilsey for finding and ...

Thanks to Gerry Gill for sharing this Mouat Vapor Heating System proposal from the early days of steam heating. Note the nine-ounce setting on the relief valve. You don't...