Flourishing portion of the United States, and especially for electric lamps--Electroplating 159 Chapter X.--RAILWAY BRAKES. The Vacuum Automatic brake--The Westinghouse air-brake 187 Chapter XI.--RAILWAY SIGNALLING. The block system--Position of signals--Interlocking the signals--Locking gear--Points--Points and signals in combination--Working the block into which it is obvious that in virtue of its first appearance the light of the Lucretian in the principal focus, as in Fig. 114). The.