Drilling machine with diamond bit powered by compressed air
Drilling machine with diamond bit powered by compressed air, invented by the French civil engineer Rudolph Leschot (active 1863) being used to bore the Mont Cenis (Rejus Rail) tunnel connecting France and Italy. Drilling began in August 1857 and the tunnel opened for rail traffic in September 1871. From The World of Wonders (London, circa 1896)
Picture No
13901420
Media ID
48378299
Size
2200px x 2570px
(1.8MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
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Cenis Compressed Connecting Drilling Invented Mont Pneumatics Rudolph Wonders
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