Category:Phare des Pâquis (1857)

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Media in category "Phare des Pâquis (1857)"

The following 3 files are in this category, out of 3 total.

Détail du régulateur.jpg 3,264 × 2,448; 1.22 MB
Plaquette 1857 (Bibliothèque de Genève).jpg 1,200 × 1,811; 632 KB
Prototype de régulateur de lampe à arc de 1852. Elie Wartmann jpg.jpg 3,264 × 2,448; 1.25 MB

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