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of all


-nd today for my FREE book ** now TO

[EHRER** Faces. Names, Studies—Develops

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Every business man and woman should be a typewriting expert. You can learn to master a typewriter at I home through I. C. S. help. Course covers every branch | of typewriter work—from keyboard to public office and law work. This is the last word on typewriting.andisthe I way by which you can most quickly and surely become I proficient. For free descriptive booklet, write todayInternational Correspondence Schools Box i in:, i, Scranton, Pa.

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Technical World lVfagazlne, Chicago



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both by mail and in Washington, where we build and repair cars. Free model to Home Study Students. Small cost: easy payments. We employ you while learning. Write for special offer. Plan Cll Automobile College of Washington, Inc., Washington, D. C Largest and oldest in the United States.

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How would you like to have always at your command, the expert advice of a corps of Civil Engineers? Men who would be ever ready to untie hard knots, to settle doubtful points, to give you the final word, the absolute answer to every question that comes up. Would you not become a bigger man mentally than you are now? Would you not consider yourself more valuable to your employer? You can have this help, you will find just the information you need contained in

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This cyclopedia is not a collection of theories, but the actual, crystallized, tried and tested experience of the greatest engineers the world has known. It is not a dictionary of disjointed facts, not a dry and technical work, but a clear and simple exposition of every phase of practical engineering. These eight volumes teach the handling of men as well as the strength of stone and steel; they describe modern feats of irrigation as well as the building of mills and factories; the latest triumphs of cement and concrete construction as well as the laying of tracks of steel over mountain and plain. The eight volumes are handsomely bound in half Morocco and and contain 3,900 pages, with over 3,000 illustrations, folding maps, diagrams, etc

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Piano Surveying —■ Mechanical Drawing — Plotting and Topography — Railroad Engineering —
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Problems in Construction — Bridge Engineering — Highway Construction — Hydraulics —
Water Supply—Irrigation Engineering—Water Power Development—Sewers and Drains

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.N American School of Correspondence



Kindly mention Technical World Magazine when writing advertisers.

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When what is believed to have been the greatest flood ever known in the lower Mississippi valley destroys one hundred million dollars' worth ox property and takes fifty lives, decisive action by the Federal Government can no longer be delayed. The Republican national platform of this year pledges the party to take such engineering steps as may prevent a recurrence of this great calamity. Theodore Roosevelt, a little before the Chicago convention, proposed that the machinery used in digging the Panama Canal be put to work for this purpose in the periodically overflowed areas. This article by Mr. M. A. Rose is one of unusual timeliness and significance. Mr Rose is a resident of New Orleans, and was an eye witness to some of the most dramatic incidents in connection with this fight against the Great Flood.

RAIN is sloshing down, a downpour after a day-long drizzle. The water rushes in little torrents down one side of a gigantic rampart of sodded earth which zig-zags off before and behind. On the other side, the drops pelt the surface of a mile-wide stream into the semblance of brown stucco.

Standing on the dike, one may study the roofs of a plantation home behind it. Turning, one can stoop and dabble a hand into the muddy river, so near is it to the top of its barrier.

The smooth, true line of tawny water and green grass on the river side is broken by an ugly box of raw pine which projects into the stream an arm's length, and parallels the embankment forty feet, and into this box, negro convicts in their striped garb, free laborers, the village

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mayor, the village doctor, the wealthyplanter, the banker, every able-bodied man within a radius of miles, is packing burlap sacks, filled with dirt.

Above the queer chant of the negroes comes a shout from a convict guard, rifle in hand. Before the gaze of the toilers, a bit of the dike further upstream sinks, at first gradually, an inch, two inches, three inches. A yellow geyser spouts up in the road, forty feet behind the levee. Then the great wall of earth

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