Category:Drilling of the Frejus railway tunnel
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Media in category "Drilling of the Frejus railway tunnel"
The following 6 files are in this category, out of 6 total.
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L'Illustration 1862 gravure Percement du Mont Cenis 01, habitation des ingénieurs.jpg 5,178 × 4,002; 5.74 MB
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L'Illustration 1862 gravure Percement du Mont Cenis 02, ouvriers foreurs.jpg 7,072 × 2,767; 5.86 MB
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L'Illustration 1862 gravure Percement du Mont Cenis 03, Machine à forer.jpg 4,257 × 3,210; 4.06 MB
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L'Illustration 1862 gravure Percement du Mont Cenis 04, Entrée du tunnel.jpg 3,488 × 4,891; 6.04 MB
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Sommeiller drill.jpg 794 × 428; 125 KB