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Siemens’ electric rack-climbing elevator of 1880

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Siemens’ electric rack-climbing elevator of 1880.jpg Section through cabin of the Otis elevatorMiniaturesTeagle elevator in an English mill about 1845Section through cabin of the Otis elevatorMiniaturesTeagle elevator in an English mill about 1845Section through cabin of the Otis elevatorMiniaturesTeagle elevator in an English mill about 1845Section through cabin of the Otis elevatorMiniaturesTeagle elevator in an English mill about 1845Section through cabin of the Otis elevatorMiniaturesTeagle elevator in an English mill about 1845