Model of a Fire Hearth for Steam Engines, Model of a device for the mechanical firing of a boiler, a bucket with movable bottom, operated by a handle with a pawl on a gear wheel, is filled with coal through a small door, the bottom is jacked up and the coal is transported from below to the grid, two movable parts of the grid, operated with a lever and prevented from falling back with a pawl on a gear quadrant, each time a part of the contents of the tray is scooped up. 1:10 scale (derived)., Rijkswerf Rotterdam, c. 1840 and/or 1844, wood (plant material), brass (alloy), h 8.8 cm × w 10.6 cm × d 18.8 cm
Keywords:
Model, Fire Hearth, Steam Engines, device, mechanical firing, boiler, bucket, movable bottom, operated, handle, pawl, gear wheel, filled, coal, small door, bottom, jacked up, transported, grid, two movable parts, lever, prevented, falling back, gear quadrant, time, part, contents, tray, scooped up, 1, 10 scale, derived, Rijkswerf Rotterdam, c, 1840, 1844, wood, plant material, brass, alloy
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