Instructions for testing resistance of train shunts; and for testing resistance of switch-circuit-controller, shunting circuits and contacts; tentative values for train shunt resistance and switch-circuit-controller contact resistance. Report of Committee XVIII.
Direct current track circuits
Am. Ry. Assn. (Signal Section) -- Advance Notice
American Railway Association -- Meeting ; 1923 Track circuiting
1923
6 pages
2 Figs.
Aufsatz (Konferenz)
Englisch
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Engineering Index Backfile | 1922
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