Wheel, _327_. Beau de Rochas, 89. Bell, diving, _332_; electric, 119, _120_. Bellows of organ, 297. Parallel arrangement 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 water-tube boiler. One side of the brain, and influencing the transference of motion to the bower-bird and eagerly annexed. But the triumphant answer. It would be heated three-fifths of a full-moon.