- A 17 page pamphlet, "Description of the Fumific Impeller":
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[/color]Description of the Fumific Impeller: Shewing the Direct Application of Hot ... - Alexander Gordon - Google Books
An engine designed to work by heat, not machinery. Runs on coal, but far more efficiently than a steam engine.
I think our Tireless Mechanic must have seen this, once…
edited by Teaspoon on 12/3/2017
edited by Teaspoon on 12/3/2017