Signaling and Interlocking: On New Line of New York Subways Fulton Street extension, in Brooklyn, includes modern entrance-exit controlled interlockings, and automatic signaling with the new rectifier-fed control circuits
Signaling and Interlocking: On New Line of New York Subways Fulton Street extension, in Brooklyn, includes modern entrance-exit controlled interlockings, and automatic signaling with the new rectifier-fed control circuitsRailway Signaling and Communications (1949-1970); Bristol Iss. 1, (Sep 1, 1949): 578.

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