Model of a Fan, Model of a fan, acting as a double bellows. In the large rectangular compartment, a board, which is hinged at half height against the short front, is moved up and down with a lever, the two halves in which the compartment is divided by the shelf are reduced and enlarged in turn. Air is let in by two square valves at the front, consisting of simple flaps covered with chamois leather, one above and one below the hinges of the shelf. Through similar valves, the air is discharged to a small front compartment where the air flow is directed to a single outlet., anonymous, Netherlands, 1800 - 1850, wood (plant material), brass (alloy), chamois (animal material), h 21 cm × w 46.5 cm × d 12.8 cm
Keywords:
Model, Fan, fan, acting, double bellows, large rectangular compartment, board, hinged, half height, short front, moved up, down, lever, two halves, compartment, divided, shelf, reduced, enlarged, turn, Air, let, two square valves, front, consisting, simple flaps covered, chamois leather, hinges, valves, air, discharged, small front compartment, air flow, directed, single outlet, Netherlands, 1800, 1850, wood, plant material, brass, alloy, chamois, animal material
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