Production year
1934
© Fonds historique / CNRS Images
19000001_0945
Ergomètre Piette dans un wagon de la Compagnie des chemins de fer du Nord, le 30 janvier 1934. Office national des recherches scientifiques et industrielles et des inventions (ONRSII). L'appareil mesure les vibrations ressenties à l'intérieur du wagon, indiquant le sentiment de confort ressenti par les passagers. L'ergomètre sert aussi à mesurer l'impact des vibrations sur les bâtiments lors du passage d'un véhicule.
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1934
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