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A Listing of Vapor Systems that don't (yet) appear in "Lost Art"

SteamheadSteamhead Member Posts: 13,686
edited December 2019 in Strictly Steam
Posted in the interest of centralizing links to the ever-expanding number of threads showing Vapor systems we've seen that are not otherwise documented. I'll add to the list as we go, feel free to do the same:

Dunham model DH Differential Vacuum System, Chicago, IL/Marshalltown, IA:

E. F. Houghton Co., Philadelphia, PA:

Safety Vapor Heating Co., Buffalo, NY:

Thermograde Valve Co., Boston, MA and Baltimore, MD:

Triumph Valve Co., Mansfield, OH:

Tudor system, also known as French or German system:

Wiley, made by Simplex Steam Specialty Co., Lynchburg, VA:
Edgar Wiley's patents are here- looks like @StevePajek was way ahead of us:
All Steamed Up, Inc.
"Reducing our country's energy consumption, one system at a time"
Steam, Vapor & Hot-Water Heating Specialists
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ethicalpaulHap_HazzardNew England SteamWorks


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