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  • curprev 18:05, 1 October 2021‎ T talk contribs‎ 1,990 bytes +1,990‎ Newcomen steam engine, Fig.180 by <ref> https://archive.org/details/practicalphysics00blacrich/page/218/mode/2up PRACTICAL PHYSICS FUNDAMENTAL PRINCIPLES AND APPLICATIONS TO DAILY LIFE BY N. HENRY BLACK, A.M. SCIENCE MASTER, ROXBURY LATIN SCHOOL BO...
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