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Fontaine's safety cage for mine shafts

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. (Photo by: Universal History Archive/UIG via Getty Images).
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Título:
Fontaine's safety cage for mine shafts
Descripción: Ver traducción automática
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. (Photo by: Universal History Archive/UIG via Getty Images)
Crédito:
Album / Universal Images Group / Universal History Images \ UIG
Autorizaciones:
Modelo: No - Propiedad: No
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Tamaño imagen:
2998 x 5100 px | 43.7 MB
Tamaño impresión:
25.4 x 43.2 cm | 10.0 x 17.0 in (300 dpi)
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