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Show WORTH KNOWING There are 4,000 islands in the territories ter-ritories comprised by the empire of Japan. An Inventor has patented a guard to be fastened to the back of a man's head to enable him to shave his neck accurately and safely. In a Paris aerodynamic laboratory for testing model aeroplanos wind speods up to seventy-one miles an hour are produced by Ingenious machinery. 1 In an Illinois inventor's double-acting churn turning the handle revolves the paddles in one direction and the barrel In the other. By a new French process aluminum can be so substantially nickel-plated that the metal can be hammered and bent without cracking. Production of copper in the United States is more than 25 times what it i was in 1880. |