Show NEWEST THINGS IN V ORLD OF SCIENCE A speed of nearly seventy live miles mites an hour has been attained by a unicycle unicycle uni- uni cycle built by a St St. Louis inventor the machine consisting chiefly of a single wheel almost seven feet In diameter drawn by an aerial propeller pro pro- I peller So extensive are precautions taken by railroads railroads' that link Argentina and I Chile by climbing the Andes which have the steepest grades in the world I that not a fatal accident has happened since they were opened p. in 1910 1 |