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Document Max. Freq Min. Freq
A Dictionary of Greek and Roman biography and mythology (ed. William Smith) 45 45 Browse Search
J. B. Greenough, G. L. Kittredge, Select Orations of Cicero , Allen and Greenough's Edition. 4 4 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 3 3 Browse Search
J. B. Greenough, G. L. Kittredge, Select Orations of Cicero , Allen and Greenough's Edition. 3 3 Browse Search
J. B. Greenough, G. L. Kittredge, Select Orations of Cicero , Allen and Greenough's Edition. 3 3 Browse Search
J. B. Greenough, G. L. Kittredge, Select Orations of Cicero , Allen and Greenough's Edition. 2 2 Browse Search
Pliny the Elder, The Natural History (ed. John Bostock, M.D., F.R.S., H.T. Riley, Esq., B.A.) 1 1 Browse Search
Strabo, Geography (ed. H.C. Hamilton, Esq., W. Falconer, M.A.) 1 1 Browse Search
Frank Frost Abbott, Commentary on Selected Letters of Cicero 1 1 Browse Search
Appian, The Civil Wars (ed. Horace White) 1 1 Browse Search
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Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for 70 BC or search for 70 BC in all documents.

Your search returned 3 results in 2 document sections:

Knight's Mechanical Encyclopedia (ed. Knight), C. (search)
frequently called the Persian. Unlike the noria, it is only capable of lifting water to a height about equal to its radius, while the noria lifts water to a height nearly equal to its diameter. See tympanum. In the first century B. C. water-wheels for driving mills were used in Asia Minor and on the Tiber. In the former case we suppose, and in the latter case we know, that these were current-wheels. Strabo, Vitruvius, Pliny, and Procopius have described them at various times from 70 B. C. to A. D. 555. They were used on the Tiber on a large scale by Belisarius, during the siege of Rome, when the supply by the aqueducts was cut off by the Goth Vitiges, in the reign of Justinian, A. D. 536. See current-mill. The tide and current wheel, erected first in the vicinity of the north end of London Bridge, and subsequently under its northern arch, was erected by Peter Morice, a Dutchman, in 1582, and operated force-pumps which supplied a part of London with water. The stand-pi
Knight's Mechanical Encyclopedia (ed. Knight), W. (search)
reponderance of the ends of the box, to adapt the meter for liquids of different gravities. See also Fig. 2973. Wa′ter-mill. Water-mills were probably invented in Asia. One is described near one of the palaces of Mithridates of Pontus, 70 B. C. See grinding-mill. Strabo speaks of one on the Tiber, 70 B. C. Antipater, the contemporary of Cicero, alludes to one in an epigram. Vitruvius, 50 B. C., describes their construction as similar to the tympanum, with circumferential floa70 B. C. Antipater, the contemporary of Cicero, alludes to one in an epigram. Vitruvius, 50 B. C., describes their construction as similar to the tympanum, with circumferential floats or paddles which were acted upon by the force of the stream, driving the wheel round. On the axis of the water-wheel was another wheel with cogs, which meshed into the cogs of a horizontal wheel, on the upper head of whose axis was a tenon inserted in the millstone. Pliny refers to water-mills (died A. D. 79). Public water-mills were established in Rome in the time of Honorius and Arcadius (A. D. 398). They were driven by the water of the aqueducts. Backus water-motor. When the