Germain Sommeiller's (1815-1871) compressed air rock drill used in the Mont Cenis and St Gothard railway tunnels. Sommeiller engineer of Mont Cenis tunnel. Wood engraving; Paris; 1874
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Details
Creative#:
TOP29133216
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
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no
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no
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No
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