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.
Polyethylene, A Modern Plastic, From Its Discovery Until Today
On November 28, 1990, I heard Professor Thomas Engel, the inventor of PEX plastic, speak in Sweden. The occasion was the Wirsbo-PEX 10 Times Around the World celebration. This is the speech Professor Engel delivered that day. It's a wonderful story. - Dan Holohan
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