In the mid-20th century, colleagues-turned-rivals Maria Telkes and Hoyt Hottel engineered new ways of heating American homes.
An article from Distillations, produced by The Science History Institute
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The SIA’s emphasis on archeology reflects a concern for the tangible evidence of early industry. Our mission is the study, interpretation, and preservation of the surviving factories, machinery, bridges, canals, industrial communities and artifacts that are historically significant.
OLIVER EVANS CHAPTER 
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