A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . .s^ L,. There cannot be a more expeditious way to raise water from a deepwell, than to make a large wheel, [drum] at the end of the winlace,that may be two or three times the diameter of the winlace, onwhich a smaller and longer rope may be wound, than that which raises Chap. 10.] Tread Wheel. 73 the bucket, so when the bucket is in bp well, the same
A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . .s^ L,. There cannot be a more expeditious way to raise water from a deepwell, than to make a large wheel, [drum] at the end of the winlace,that may be two or three times the diameter of the winlace, onwhich a smaller and longer rope may be wound, than that which raises Chap. 10.] Tread Wheel. 73 the bucket, so when the bucket is in bp well, the same rope is all^vound on the wheel, [drum] the end whereof nuiy be taken onthe shoulder, aiid the man may walk or ru;i forwards, till the bucket bedrawn up. The bucket may have a round hole in the midst of the bot-tom with a cover fitted to it, like the sucker of a pump., thut when thebucket ^e^t^ on the water, the whole may open and the bucket fill. Dic-tioiiarium Rusticum, Lon. 1704. See No. 23. This is one of the modes of raising heavy weights, described by Vi(ni-vius, in Book X of his Architecture, and is so figured in some of the olJedition^, that of Barbaro for example. Venice 15U7. It appears to have beenadopted tt> raise wat
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Keywords: ., bookcentury1800, bookdecade1870, bookiddescriptiveh, bookyear1876
