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Title
Vintage diagram of a economizer chamber #250584410
Description
Vintage illustration diagram showing standard vertical type cross section through economizer chamber. Economizers are heat exchangers that transfer the heat in the flue gas to another mediumââ¬Å¡ generally the boiler feed-waterââ¬Å¡ although other streams are sometimes used such as make-up water. 1900s reference to design / engineering / power / energy.
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