Production year
1931
© Fonds historique / CNRS Images
19000001_1275
Ergomètre Piette dans un wagon de la Compagnie des chemins de fer de l'Est, le 17 octobre 1931. 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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1931
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