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Appreciation of old-time engineers.

Jean-David Beyer
Jean-David Beyer Member Posts: 2,666
I just figured out how an anti-backflow valve (the kind in the feedwater sytem to household boilers) works, and I think that is really clever. I do not even know who invented that.

I am a train nut, and have figured out how some stuff on steam locomotives work. I was particularly impressed by the Giffard injector to get water into a high pressure (like between 100 psi and 300 psi) steam boiler with no moving parts.

And reading about steam heating systems here never fails to impress me.

We owe a lot to those guys.
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