Mechanical interlocking plant, at end of double track at Harviell, Mo, on Missouri Pacific, replaced by power-operated remotely controlled switch-and-light-signal layout; three line wires provide control and indication of end-of-double-track layout; control, locking and annunciator circuits; construction features.
Simplified remote-control interlocking on Missouri Pacific
Ry Signaling
Railway Signaling ; 25 , n 7
1932
Article (Journal)
English
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Entrance-exit interlocking installed on Missouri Pacific
Engineering Index Backfile | 1949
Remote control on Missouri pacific
Engineering Index Backfile | 1933
A.C. -- Primary system for automatic interlocking on Missouri Pacific
Engineering Index Backfile | 1935
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Engineering Index Backfile | 1934
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