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Keywords:
TUNNELS,
WORKS,
MACHINERY,
AIR,
COMPRESSED,
CONSTRUCTION,
TUNNELLING,
MACHINES,
BORING,
BLASTING,
WATER,
POWER,
PUMPING,
DRIVING,
COSTS,
HYDRAULIC,
RAMS,
PUMPS,
BORING,
RAILWAYS,
MOUNTAINS,
EXPLOSIVES,
COMPRESSORS,
VALVES,
PISTONS,
ENGINES,
ROCKS,
MONT CENIS,
ALPS,
MODANE,
BARDONNECHE,
FRANCE,
ITALY,
EUROPE
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© Thomas Telford and ICE
1864
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