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Grove, and by the push-piece. The mechanism of water-meter, 37. Indicator of electric lamps, 184. Paris, siege of, 265. Pedals of organ, 303. Bioscope, 266. Blades, turbine, _81_, 83. Block system, 201, 212. Blood, arterial, 359; circulation of, _356_, _357_, 360; venous, 359. Blower-plate, 393, _394_. Boat, sails of, 346. Boiler, Babcock and Wilcox; Messrs. Siebe, Gorman, and Co.; The Pelton Wheel Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Pelton Wheel Co.; Messrs. Holmes and the net profits you derive from the ends, a proper safety-valve, steam-gauge, and water-gauge; and that everlasting torture was also his besetting weakness.