Caption
Deuxième modèle de loupe éclairante, photographié le 21 novembre 1922. Office national des recherches scientifiques et industrielles et des inventions.
© Fonds historique / CNRS Images
Deuxième modèle de loupe éclairante, photographié le 21 novembre 1922
Reference
19000001_0393
Production year
1922
Max. size
24.16 x 17.52 cm / 300 dpi
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