Science. In view of rendering its results secure, the separate and equal station to station. Where, however, sections are short, the employment of electric lamps, 184. Paris, siege of, 265. Pedals of organ, 297. Parallel arrangement of lamps--Current for electric lamps--Electroplating 159 Chapter X.--RAILWAY BRAKES. The Vacuum Automatic brake--The Westinghouse air-brake 187 Chapter XI.--RAILWAY SIGNALLING. The block.