Fontaine's safety cage for mine shafts. If the rope or chain suspending the cage broke a spring was released and levers were thrust into the guide rods, so stopping the cage from plunging to the bottom of the shaft. From Underground Life: or, Mines and Miners by Louis Simonin (London, 1869). Wood engraving.
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Details
Creative#:
TOP09159685
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
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