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General arrangement of the Roux Combaluzier

General arrangement of the Roux Combaluzier.jpg L’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevatorL’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevatorL’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevatorL’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevatorL’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevatorL’Arche du Pont Notre-DameMiniaturesBackmann’s proposed helicoidal elevator