. Factory and industrial management . I am satisfied no per-son need have any trouble about meltingiron even, hot, quickly, and economically. Differential Recorder for Gaging Flow ofWater from Submerged of the concomitants of water-powersupply from large dams owned by compa-nies, and from which many manufactoriesobtain their supply of power at rates pro-portioned to their consumption, is themeasurement of flow, respectively, to thedifferent consumers. Neither hydraulic en- but adapted to water gaging by^Sir W. H,Bailey. We herewith reproduce the illustrationsand condense the descr
. Factory and industrial management . I am satisfied no per-son need have any trouble about meltingiron even, hot, quickly, and economically. Differential Recorder for Gaging Flow ofWater from Submerged of the concomitants of water-powersupply from large dams owned by compa-nies, and from which many manufactoriesobtain their supply of power at rates pro-portioned to their consumption, is themeasurement of flow, respectively, to thedifferent consumers. Neither hydraulic en- but adapted to water gaging by^Sir W. H,Bailey. We herewith reproduce the illustrationsand condense the description, not only onaccount of the ingenuity of the device,which renders it an interesting mechanicalstudy, but also because its action and theprinciples involved are likely to interestall practising engineers. Without touchingupon the liability to error in weir measure-ment, which the article reviewed points out,or the advantages of, and hitherto existingobjections to, submerged orifices as com-pared with weirs for measuring flow of. Fig. 1—TUDSBERYS RECORDER gineers or owners of factories need to be re-minded of the dissatisfactions liable to beexperienced by both parties to such a trans-action. The origin of some of these dis-satisfactions lies in the nature of weirmeasurement, as pointed out in an articlein The Engineer (London, Oct. 2). Thearticle deals with a new instrument formeasuring water-flow, invented by Dr. T. Tudsbery for a different purpose, water, we simply remark that it is in con-nection with such orifices that Dr. Tuds-berys differential recorder is used. It isclaimed that it removes the only seriouspractical objection to the otherwise desir-able method of gaging by submerged ori-fices,—to wit, the hitherto existing neces-sity of making two observations to deter-mine the head. Its essential feature is the cc n binaton MECHANICAL ENGINEERING. 521 by means of a suspended pulley, of the ac-tual motions of two floats to reproducetheir relative motion on a
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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering
