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Heron of Alexandria was an important ancient Greek inventor of mechanical devices whose inventions included the first steam ...

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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 -- ...

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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 ...

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 ...