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When he wasn't designing warships, John Ericsson was dreaming up solar technology. The Swedish American inventor, credited with the screw propeller and the first ironclad vessel in the U.S. Navy, ...

Cincinnati’s wonderful Fire Museum on Court Street continually burnishes our city’s two fire-fighting claims to fame: Cincinnati created the first professional fire department in the United States in ...

Rocket -- Changes in the atmosphere -- A great company of men -- The first and true inventor -- A very great quantity of heat -- Science in his hands -- The whole thing was arranged in my mind -- ...

Sometimes, you stumble upon an invention that makes you wonder, "How did they even think of this back then?" Some ideas were way ahead of their time, only to be forgotten or overshadowed by newer ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An engine indicator is an instrument ...