Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 678
RESSURE CONTROLLER 649 Port X in the supply portion of the controller con-nects the under side of piston PG 4 with atmosphere,so that it will be free to operate and to discharge anyleakage by the ring PG 24 or valve PG 95. The regulating portions are provided with bracketsso that they can be…
Locomotives
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