Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 678
Fig. 284. Pier. 285. Each regulating head has a vent port C, and to avoidany unnecessary waste of air, one of these heads shouldbe plugged with screw PG 33. The cut-out cock shownin Fig. 285 is used with the B2S equipment, between theregulating and supply portions. When this cock is closedthe…
Locomotives
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