Contents for March, 1915 The author, "licensed pilot Number 171," herewith presents prob- ably the most remarkable article ever written on the aeroplane in war By the use of a little vacuum tube, Peter Cooper Hewitt, the Many years have been spent, many lives lost, and millions of dollars Tens of millions of horsepower are going to waste in three of the four Dr. David Starr Jordan, the great biologist, has established a A series of most interesting pictures of what the world is doing on The Lane Technical High School of Chicago is said to be the only high school in the world where the students publish a daily newspaper. Every editorial and mechanical phase is done by the students them- Farm Experiments in the Desert A young man from the East growing weary of club life took a brief course at an agricultural college, went to Western Colorado, headed a syndicate that took up three thousand acres, and is proving his The cities of Duluth and Superior are the vents for the great wheat Carl Voss Enterprising towns are now maintaining farmers' clubs which Though explosives are destroying thousands of lives in Europe, they are still being put to peaceful use. In the industries of the world, such as railroad building, foundation excavation work, ditch-digging, and tree-planting, they are fully entitled to the epithet “peaceful" Alfalfa is about to be put to a new use, and it looks as if we may To Drive Next Battleship by Electricity. At last the aspirations of electricians are about to be realized in the High-Speed Bullets and What They Do . Monroe Woolley Since "high speed" has made possible the modern rifle, old ideas as The Wolverine State has found a new way of rewarding the grocer Pictures that show other phases of the conflict besides those of the T. C. O'Donnell 78 Home Office: Drexel Avenue and 58th St., Chicago Eastern Office: 1702 Flatiron Building, New York Contents for April, 1915 The World's Biggest Commissary Job A number of big-hearted, red-blooded Americans have undertaken to feed an entire nation gratis. This is the story of how they are enlisting the aid of the American public, in their effort to keep the From East Prussia to the North Sea Thrilling moves caught by the camera in the bloody chess game that A professor in an Eastern agricultural college wondered why boys from the same neighborhood, and corn in the same field, varied in height. The interesting explanation he discovered is set forth here A recent invention makes the heaving expanse of water itself tell the captain of the vessel by what dangers he is surrounded, and, incident- ally, enables him to signal other vessels, without using the wireless Men who risk their lives in order to go faster are always interest- ing. Here some of them and their mounts are described American inventors are quietly at work perfecting devices for use by our armed forces. This article describes new apparatus that If it be true that "The world is but a stage", then one of the An invention by a naval gunner, and lots of nerve on the part of People who look upon farm tenants as an undesirable element in American agriculture will be surprised to learn how well the tenant |