A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 381
the engineer, he gives the signal cordin one of the cars a pull. This opens the cardischarge valve on that car and allows some ofthe air in the main signal line to escape tothe atmosphere, thus reducing the signal-pipeFig. 3. pressure. The reduction in pressure operates the signal valve on the… … DESCRIPTION OF APPARATUS. SIGNAL, REDLTCING VAL^T:. 2. A cross-sectional view of the New York signal redu-cing valve is shown in Fig. 4. The main-reservoir connectionis made at A, while a pipe leads from Y to the signal piptThe supply valve 4 regulates the admission of air to thesignal system; it…
Locomotives · Locomotive boilers · Railroad cars
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
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