. Machinery and processes of the industrial arts, and apparatus of the exact sciences. wmtP. Houcret & Testoirs Feeder. remains open while the feeder is filling, to prevent a back pressure fromthe confined air. The valve K, which is lifted in the position shown,admits water by natural descent from a source higher than the as thrown in by a force pump. As the water rises it lifts the smallfloat D, which is guided by the vertical rod E. VThen the float LVreaches the lever E;/ it releases the extremity of the lever E: and thelarge float D being now completely immersed, ascends with grea
. Machinery and processes of the industrial arts, and apparatus of the exact sciences. wmtP. Houcret & Testoirs Feeder. remains open while the feeder is filling, to prevent a back pressure fromthe confined air. The valve K, which is lifted in the position shown,admits water by natural descent from a source higher than the as thrown in by a force pump. As the water rises it lifts the smallfloat D, which is guided by the vertical rod E. VThen the float LVreaches the lever E;/ it releases the extremity of the lever E: and thelarge float D being now completely immersed, ascends with great force,closing the valve K and the small air-escape valve, and at the same timeopening the valve L. The valve L opens communication with the steamof the boiler, and thus equality of pressure is established on the surfaceof the water in both boiler and feeder. If now the valve O is open atthe top of the tube communicating between the boiler and the bottom BOILER FEEDERS HOUGET & TESTON S. 235 of the feeder, the water will descend freely, lifting the light valve M,which is placed
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Keywords: ., bookcentury1800, booksubjectmachinery, booksubjectscientificappa
