George Westinghouse: Fabulous Inventor |
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Halaman 100
had divided their trackage into sections or blocks from a half - mile to four miles in length , with a signal man in charge of a signal station set at every junction of two blocks . It was the duty of the signalman to set a danger ...
had divided their trackage into sections or blocks from a half - mile to four miles in length , with a signal man in charge of a signal station set at every junction of two blocks . It was the duty of the signalman to set a danger ...
Halaman 126
But at a signal , all changed . A workman's finger pressed the key and in an instant Menlo Park was in darkness . Ap- plause broke involuntarily from the onlookers . Before it had subsided , the finger was applied again , and the ...
But at a signal , all changed . A workman's finger pressed the key and in an instant Menlo Park was in darkness . Ap- plause broke involuntarily from the onlookers . Before it had subsided , the finger was applied again , and the ...
Halaman 229
Fluid Pressure Switch and Signal Apparatus . Air - Brake Strainer Attachment . Air - Brake Cut - Off and Relief Valve . Automatic Electric Current Regulator . Combined Electric and Fluid - Pressure Mechanism .
Fluid Pressure Switch and Signal Apparatus . Air - Brake Strainer Attachment . Air - Brake Cut - Off and Relief Valve . Automatic Electric Current Regulator . Combined Electric and Fluid - Pressure Mechanism .
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air brake alternating current Apparatus asked Automatic became began better building called complete device direct dollars don't Edison Electric engine equipment excitement expected experiment eyes factory Fair father Fluid George Westing George Westinghouse George's give hand happy head hope idea industrial interest invention inventor July June keep lamp later less light locomotive look machine Mains March Marguerite Means mechanical miles mind months moved never night once patents pipe Pittsburgh pressure problem railroad Railway ready replied Signal smiled Steam stop success sure tell tests thing thought thousand tion told took train Turbine turned Valve voice West wife York young