Word: testing
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Dates: during 1920-1929
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...strengthened by installing four 16-inch guns on the Atlantic and five on the Pacific side of the Isthmus. (These guns are available to the Army from the Navy as result of the so-called Disarmament Treaty, and need only to be mouted at the Canal.) In the test attack ships bombarded the Canal out of range of its present guns...
From many parts of Europe come reports of the unearthing of original paintings of old masters. The public is skeptical. Wherefore, France and the world of science contributed last week a new practical test for the discovery of fakes. Ultraviolet rays and colored lights thrown upon the paintings under suspicion show, when photographed, the method of brush-work and the exact kind of pigment used by the artist...
Automobiles. Prof. Howard R. Mayberry, of the psychology department, University of Chicago, has devised a test for applicants for motor licenses, consisting of control devices directing the movements of a toy automobile through the streets of a model city. The candidate must avoid traffic jams...
Tunnels. A. C. Fielding and W. P. Yant, gas experts of the U. S. Bureau of Mines, in an extended series of air tests in the new twin Liberty vehicular tunnels to the South Hills of Pittsburgh, have perfected a ventilating system which makes the tunnels safe for human beings with any volume of traffic. A procession of 200 auto trucks was run through the tunnels several times, and samples of air taken in the early tests showed 4½ to 10 parts of carbon monoxide present. Canaries, which are very sensitive to the gas, were released in the tunnels...
...test of the farmers' prosperity has in the past been afforded by the earnings of the large mail-order houses. The annual report of Sears, Roebuck & Co. is consequently illuminating...