science, physics, a teacher is making experiments with the air-pump in presence of baronial parents, 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: artsgraphicgraphics, centurygermanyhreholy, empireair, experimentpresencerococosciencesciences, historichistorical, kidkidslessonsnobilitypaedagogyparentparentspedagogypeoplephysical, presence, pumpair, pumpsair-pumpair-pumpsaristocracyartchildchildrenclasseseducationenlightenmentetchingetchingsexperimentexperimentsfine, roman, sciencephysicsteachermakingexperimentsairpumppresencebaronialparents, sciencephysicsteachermakingexperimentsairpumppresencebaronialparents1770s18th