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May 30, 2015

Homework Help: Socials: invention

Posted by Tess on Friday, February 15, 2013 at 7:38pm.

what inventions came before the steam engine? (prototype)

I have researched about the steam engine by James Watt and I know that before the steam engine there was a steam pump that was invented by Thomas Newcomen, but I need more info than this. Please help, thanks...

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