A Motor on the Water Wagon

"What is the motor doing on the sprinkling cart?" is the question every one asks when he sees the accompanying picture. It obviously does not run the wagon, so that its use is somewhat problematical.

As a matter of fact, this cart is specially designed to meet conditions found in many wellirrigated districts, like those around Salt Lake City, where the photograph was taken. The cart does not obtain its supply from a fireplug, in the ordinary way, but from irrigating ditches outside the city. Points are provided at frequent intervals along the ditches where the driver can plug the motor onto a power line. The motor then drives the centrifugal pump, also mounted on the rear of the cart, and fills up the tank. The application is a severe one, as the motor is subjected to considerable dust and jolting, but it has operated with entire satisfaction.

The cart is made by the Studebaker Corporation, South Bend, Ind. The motor is a

3-horsepower, single-phase Westinghouse Electric, and the pump a 12-inch type C Worthington. * * Convict Labor on Roads

An article by George C. Warren, of Warren Brothers Company, of Boston, has been reprinted from the June, August and September, 1914, issues of the General Federation of Women's Clubs Magazine, and appears in pamphlet form with the title "Convict Labor on Country Roads." It tells how Fulton County, Ga., has solved the convict labor problem. * *

Crushing Records

Some records of work done by New York state road contractors with the Acme 12-inch x 22-inch No. 10-2D crusher are worth noting: In 16 days-2% miles of bituminous top, 16 feet wide and 3 inches thick, after being rolled in place.

In 12 days-5,357 lineal feet of 14-foot road, 8 inches deep, after being rolled in place.

This crusher is manufactured by the Acme Road Machinery Company, of Frankfort, N. Y., which makes sixteen other sizes also.

Park Development in Dallas

Myers & Noyes, consulting engineers, of Dallas, have been appointed engineers of the Park Board to carry out the plans of George E. Kessler, landscape architect, for the development of a park and boulevard system in Dallas.

Auto Trucks in Well-Drilling Business The Artesian Well & Supply Company, of Providence, R. I., with branch offices in New York and Boston, is one of the largest and best equipped well-drilling concerns in the country, and operates throughout New England, New York State and the South. The illustration shows one of the company's Packard trucks used for hauling any of its 22 drilling machines to any job within a radius of 75 miles of Providence. The truck is loaded with tools, pipe, etc., and the drilling machine is hauled as a trailer.

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Manufacturing Rocmac

Walter T. Haines, former president of Haines & Teall, Inc., selling agents for Rocmac in the United States, has secured manufacturing rights as well as selling rights for Rocmac, and has become connected with the Frohman Chemical Company, of Sandusky, Ohio, who are manufacturers of raw material from which Rocmac is made. Mr. Haines' position is that of general manager of the Rocmac Department, Sandusky, Ohio, but he will maintain his Philadelphia office as formerly in the Lafayette building. t t

Prizes for Engineering
Students

Students of the leading engineering schools have been offered an opportunity to compete for $1,000 in prizes for essays on highway construction. The subjects suggested cover a wide range, including: factors which should govern the choice of types of pavements and roads and the materials used therein; an ideal paving program for a city of 25,000; economics of highway construction, and half a dozen related topics. The prizes are offered by The Barber Asphalt Paving Company to promote investigation of highway prob