Water-wheels sentence example
- The ox-wagons with their solid wheels, and the curious water-wheels of brushwood with earthenware pots tied on to them and turned by a blindfolded donkey, are picturesque.
- The live oak is one of the most valuable timber trees of the genus, the wood being extremely durable, both exposed to air and under water; heavy and closegrained, it is perhaps the best of the American oaks for shipbuilding, and is invaluable for water-wheels and mill-work.
- In 1826, in his Memoire sur les roues hydrauliques a aubes courbes, he brought forward improvements in the construction of water-wheels, which more than doubled their efficiency.
- The methods of cultivation are primitive: the curious water-wheels, made of brushwood with pots tied on to them, and turned by a blindfolded donkey, may be noted.
- Amasia has extensive orchards and fruit gardens still, as in Ibn Batuta's time, irrigated by water wheels turned by the current of the river; and there are steam flourmills.Advertisement
- Weirs are essential for raising the head of water for water-wheels at mills, and for diverting some of the flow of a river into irrigation canals; but they have received their greatest and most varied extension in the canalization of rivers for navigation.
- High land near the banks of the Nile which cannot be reached by canals is irrigated by raising water from the Nile by steam-pumps, water-wheels (sakias) worked by buffalo s, or water-lifts (skadufs) worked by hand.
- In the paintings we see gardens irrigated by handbuckets and shad ufs; the latter (buckets hung on a lever-pole) were probably the usual means of raising water for the fields in ancient times, and still are common in Egypt and Nubia, although water-wheels have been known.
- For watering the land by the river banks sakias (water-wheels) are used, oxen being employed to turn them There are also a few irrigation canals.
- bellows driven by the water wheels.Advertisement
- Today there are three water wheels driving large tilt hammers and grindstones.
- At first these were called mills, as they were built beside streams and had water wheels to drive the machinery.