WEDNESDAY, APRIL 20.1927 PAGE THREE THE UNIVERSITY DAILY KANSAN Old Water-Wheel Contrasted to Modern Hydro-Electric Plant on Bank of a Miniature River A model of a river bed, with miniature trees and the like placed along the banks to make a realistic effect, has been constructed as one of the many interesting exhibits at the annual engineering exhibition Friday and Saturday. An old style water wheel will be constructed at one end of the river. This will show exactly how the water operated in principal and how it is utilized. Further down stream will be seen a modern hydro-electric generating plant to contrast the new with the old-time power plant. The over-ash water wheels are provided with a number of buckets fixed to their periphery in such a way that as the wheel revolves from left to right the buckets on the downcasing side have their tops upward, and being filled with water at or near the top of the wheel, exert a downward pull and impart a rotary tendency to the water. Other forms were massive structures often measured 20 feet in diameter, but the later tree are generally built of iron and are practically limited by construction to fall less than sixty feet in height. Water is admitted to the wheel by an over-fall sluice. Announcements In the modern hydro-electric method a great head of water is secured by building a dam across the river. Heads of water varying from T2 to 354 feet have been secured in this country by this method. Water is supplied to the turbines through large pennets through which the water is pumped and partially or entirely close the conduit. The wheels of the turbines are from five to seven feet in diameter with still larger sizes for extraordinary power. Perhaps the most powerful of these machines utilizing the power of Nigara Falls. Another exhibit will be an apparatus to demonstrate how particles of sand progress along a river bottom. It will be shown how the sand forms in waves which gradually move downstream with the force of the current. The performance of river jetties and a sand machine is the machinery and apparatus in the laboratory will be running on the two days of the exposition. The work is being done by Edward Martz, c27 and Stuart Haskard, c28, under the direction of Frank M. Dawson, professor of hydraulics. El Álvaro will not meet Thursday April 21, because of the annual Gran Vera days which is to be held Saturday April 23—Ethnix Martin, secretary. All students who wish tickets for the Corvantes day banquet and Ter- tulum, which is to be given Saturday, April 23, at 6 p. m. in the Thimble tea room must make reservations at the Spanish office before Thursday noon—C. J. Winter. Botany Club will meet Thursday, April 21, at 1121 Louisiana street. TOWER'S FISH BRAND VARSITY SLICKERS The Rainy Day Poll The most stylish and practical rainy day armories for college men and women. TOWER'S Variety of Styles and Colors The Genuine Waterproof Oiled Clothing FISH BRAND Your Dealer has them. A.J.TOWER CO. BOSTON Announcement of the $30,000 Coca-Cola prize contest will appear in many newspapers and in the following magazines: The Saturday Evening Post...May 7 Literary Digest...May 14 Collier's Weekly...May 21 Liberty...May 14 Life...May 5 Watch this contest for the next three months. College men ought to win. The Coca-Cola Co., Atlanta, Ga. Each member will bring a flower classify it, and tell where it grows.—Francis F. Sterling, president. The Newcomers Club will meet with Mrs. Frank T. Stockton, Thursday afternoon, April 21, at 3 p. m. Election of officers. Kappa Phi will give its annual spring banquet at the Methodist church Thursday evening, April 21. Initiation will be held at 5 p.m., preceding the banquet. All members are required to be British, Scottish, publicity chairmen. Col. Henry W. Sackett of New York has given Cornell University a gift of $20,000 for the purpose of improving the campus. during first two weeks of the full semester to cover a month's expenses. Apply by letter stating business experience to Hox "C" care area 170. 170 LIMITED NUMBER students will have the opportunity to earn enough Want Ads MARCELLING by experienced erator, 35c. Call 2537 White for appointment. Mrs. Dowling, 1840 Ohio. 162 LOST Alpha Kappa Psi pin on Mas- sachusetts street. Reward. Mrs. G. E. Tucker, 355. 161 FOR SALE: Light grey "Society Brand" suit, size 40. Phone 589. $18. 160 OST: Phi Delta Theta pin. Finder please return to Bill Rice, 1321 enn. Phone 1155. 160 GIRLS-A pleasant southeast single room for the room available now. 1140 Mississippi. Phone 2476 163 Business Opportunity FOR COLLEGE MEN! Here is an opportunity for ambitious college men, who are desirous of building a business of their own with a permanent income. 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