technics, machinery, condenser, induction automat system Koerting, wood engraving, late 19th century, ARTIST'S COPYRIGHT HAS NOT TO BE CLEARED

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Artist's Copyright has not to be cleared

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Keywords: century, century1870s1880s18901890sgerman, construction, empiregermanyhannoverhanoverimperial, erakortingörtingcondensationcondensercondensershistorichistoricalindustriesindustrymachinemachine, machine-buildingmachinessystemsystemstechnologiestechnology19th, technicsmachinerycondenserinductionautomatsystemkoertingwoodengraving19th