Bulow, Hans

GUIDO von, born at Dresden, Jan. 8, 1830. The foremost pianist of the Chopin-Liszt school, who played with boundle succe in every European capital. He was said to be absolute master of the piano-forte. Died at Cairo, Egypt, Feb. 12, 1894. Bunsen (boon's en), ROBERT WILHELM EBERHARD, a German chemist, born at Göttingen, 1811. In 1838 he was appointed a istant profe or in the University of Marburg, became titular profe or in 1841, then director of the Chemical Institute. In 1851 he pa ed to the University of Breslau, and in 1852 to that of Heidelberg. Discovered the metals cæsium and rubidium; invented the "Bunsen burner," the "Bunsen pump, the "Bunsen battery," and made well-known researches in spectrum analysis. Bunsen Burner. A gas burner invented by Robert W. E. Bunsen, its purpose being to secure complete combustion. Air is caused to mix with the gas before ignition, a smokele , sootle flame, of little light but great heating power, being produced. This appliance, which has been greatly improved, is of much importance in the laboratory. Buoys, Bell and Whistling. These are buoys for the warning of marines, whose names indicate their character. In the bell buoy the to ing of the waters keeps a bell in constant operation; while in the whistling buoy there is a whistle connected with a hollow tube long enough to reach the still water below; as the buoy rises and falls the changing level of the water in the tube drives out or sucks in the air, causing the whistle to sound.