Vacuum Valves for Winter Profits

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This William Moore article from a 1935 edition of Fuel Oil Journal does a nice job of explaining how vacuum vents once worked on one-pipe steam systems.

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Jarecki Radiators (1890)

Here are ratings for the Erie radiator from Jarecki Mfg Co Ltd. They were based in Erie, PA and their radiators appeared in issues of Domestic Engineering in the 1890s. 

 

Published on 04/22/2024 4:07 PM
Posted in Heating Museum