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Teagle elevator in an English mill about 1845

Teagle elevator in an English mill about 1845.jpg Siemens’ electric rack-climbing elevator of 1880ThumbnailsVarious levels of the Eiffel TowerSiemens’ electric rack-climbing elevator of 1880ThumbnailsVarious levels of the Eiffel TowerSiemens’ electric rack-climbing elevator of 1880ThumbnailsVarious levels of the Eiffel TowerSiemens’ electric rack-climbing elevator of 1880ThumbnailsVarious levels of the Eiffel Tower