Two vintage hexagon nuts and screws of 19th century metalworking machinery at the Bois du Cazier coal mine museum, Marcinelle, Charleroi, Belgium

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Nuts of 19 century metalworking machinery at the Bois du Cazier coal mine museum, Marcinelle, Charleroi, Belgium

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Size: 5100px × 3396px
Photo credit: © Clement Philippe / Alamy / Afripics
License: Licensed
Model Released: No

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