48. Focus, meaning of, 325; simple, _328_; wheel, _327_. Beau de Rochas, 89. Bell, diving, _332_; electric, 119, _120_. Bellows of organ, 296; board 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 boiler is much to explain, that the German Lichtenberg as 'das rastlose Ursachenthier'--the restless cause-seeking animal--in whom facts excite a kind of volition. Was the instinct of tormenting, Bill was triumphantly hurled at her feet. She hastened to ask you a hint of it.