Model of a Double Pair or Hydraulic Forge Bellows, Model of a double hydraulic bellows on a floorboard. It consists of two vessels and a drive mechanism that is incomplete. Each vessel has a cylinder inside that connects top and bottom, the space inside is therefore an endless circle, which, however, is made finite by a partition placed in the longitudinal direction between the outer and inner walls. On one side there is an incoming valve with chamois leather valve on either side of this partition, on the other side outgoing valves to which a ventilation pipe is connected. The vessels are hung
Model of a Double Pair or Hydraulic Forge Bellows, Model of a double hydraulic bellows on a floorboard. It consists of two vessels and a drive mechanism that is incomplete. Each vessel has a cylinder inside that connects top and bottom, the space inside is therefore an endless circle, which, however, is made finite by a partition placed in the longitudinal direction between the outer and inner walls. On one side there is an incoming valve with chamois leather valve on either side of this partition, on the other side outgoing valves to which a ventilation pipe is connected. The vessels are hung horizontally in two forks and are rotated a quarter of a circle around their axis by means of the drive mechanism, They each have a quadrant and a system of rollers and catches, for which rope or chain must be guided. Only the frames and a set of wheels are left of the drive mechanism. When the vessels are half filled with water, the space that remains for air is divided into two compartments: turning the vessel back and forth makes it alternately larger and smaller, because the water surface remains horizontal. This is how the airflow is created. The ventilation pipes are bent so that their ends are flush with the axis of rotation of the vessels and each connect to a fixed pipe, the two fixed pipes come together where they are led through a rear wall., Rijkswerf Rotterdam, Rotterdam, 1818, wood (plant material), brass (alloy), chamois (animal material), h cm × w cm × d cm
Size: 6916px × 4778px
Location:
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No
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