waterwheeln.

1408 in Eng. Hist. Rev. (1899) 14 517 Pro cariagio unius axeltre..pro le Waterwhelle.

1533 J. Heywood Play of Wether sig. Biiii Our floodgate our mylpooll our water whele.

1648 Bp. J. Wilkins Dædalus xv. 284 For if there were but such a water-wheel made on this instrument [i.e. the Archimedean screw], upon which the stream that is carried up, may fall in its descent, it would turn the Screw round.

1667 T. Sprat Hist. Royal-Soc. 279 The Powder-mills are seldom made to move a with any thing but water: The great water-wheel is made like that of an ordinary water-wheel, either over-shot or under-shot, according to the quantity of water they have.

1754 W. Emerson Princ. Mech. xiii. 289 London-Bridge Water-works. AB the axis of the water-wheel CD.

1759 J. Smeaton in Exper. Enq. Nat. Powers Wind & Water (1794) 2 Concerning Undershot Water Wheels.

?1785 J. Imison School of Arts 71 A Model of a common mill for grinding corn. A is a water-wheel, B the cog-wheel.

1830 H. Kater & D. Lardner Treat. Mechanics xiv. 179 In water-wheels, the power is the weight of water contained in buckets at the circumference.

1893 R. S. Ball Story of Sun 242 A water-wheel, turned by Niagara, virtually derives its energy from the transformation of Sunbeams.

1951 A. L. Hunt Confessions 23 The considerable fall in these many waterways made it possible to install waterwheels, which were freely used for power for flaxmills.

1982 J. Campbell Grammatical Man i. ii. 33 A waterwheel cannot be turned if all the water is at the same level.

2011 S. Lawrence & P. Davies Archaeol. Austral. since 1788 Uncovered vii. 155 The Garfield waterwheel..drove a 15-head stamp battery.

1591 R. Percyvall Bibliotheca Hispanica Dict. Alcaduz, the scoope in a water wheele, a pipe of a condite.

1639 G. Plattes Discov. Infinite Treasure vii. 32 Water wheeles..with wooden bottels which doe fill in the river, and empty themselves above into a trough of wood.

1667 in J. Pettus Fodinæ Regales (1670) 35 One new large Water-wheel with Water-troughs.

1791 J. Townsend Journey Spain I. 80 As the mule, which they use, goes round, these horizontal arms..take hold, each in succession, of those arms which are fixed on the axis of the water wheel.

1832 E. Lankester Veg. Substances Food 21 The Nubian cultivators..employ..water-wheels, for the purpose of irrigating the fields during the summer.

1877 A. B. Edwards Thousand Miles up Nile vi. 140 The water-wheel slowly revolving with its necklace of pots.

1914 Blackwood's Mag. Oct. 428/1 Waterwheels have to be employed to irrigate the old terraces.

1937 Times Lit. Suppl. 10 Apr. 268/2 The sounds which run as an undercurrent beneath the activities of Egyptian life..are the creak of the water-wheel and of the shaduf.

1999 S. Campbell Walled Kitchen Gardens 8 Water was..raised at first by waterwheels and later, in the nineteenth century, by hydraulic ram-pumps.

1787 P. Miller in Diplomatic Corr. of U.S. (1833) V. 29 An account of experiments made by Mr. Miller..in a double vessel..put in motion by his water wheel.

1822 T. Webster Imison's Elem. Sci. & Art (new ed.) I. 226 Some attempts have been made to place the water-wheels, or paddles that drive the vessel, in the middle.

1889 E. W. Gould Fifty Years on Mississippi xxviii. 135 The dimensions of this the first war steamer were: Length, 150 feet, breadth, 56 feet, depth, 20 feet, water-wheel, 16 feet diameter.

1942 Brownsville (Texas) Herald 6 Dec. 4 c/1 The Steamboat Bessie, which sported a water wheel,..was a familiar sight on the Rio Grande.

2001 J. Frascarelli Flowers of Eire 57 Each turn of the great water wheel brought me closer to my Daniel.