Production year
1923
© Fonds historique / CNRS Images
19000001_0440
Tableaux spéciaux installés pour régler automatiquement le courant dans la salle de soudure à l'arc, sur le site de l'Office national des recherches scientifiques et industrielles et des inventions (ONRSII) à Bellevue, Meudon, le 28 avril 1923.
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1923
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