Model of a Chain Pump, Model of the cross-section of a ship at the height of the large mast, with four decks and a chain pump. The pump consists of a chain of buckets that are guided down a pump tube down to the keel and come up again along another tube, on the upper deck they go over a pentagonal wheel that is driven by a crank and flywheel. The four decks are partially planked and supported by deck beams that feature eight different hollow metal knees: some are nailed to the wooden knee that they cover, others to the weighing, some to the deck beam, others to the deck boards. 1:20 scale (according to Obreen)., Petrus van der Loo, The Hague, 1855, wood (plant material), brass (alloy), leather, model: h 65.5 cm × w 70.5 cm × d 12.5 cm packaging capsule: h 69.5 cm × w 74.5 cm × d 15.5 cm
Keywords:
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