Track-Circuit Signaling on Electrified Roads

Author(s): L. Frederic Howard
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 June 1907
Volume: XXVI
Page(s): 1,535 - 1,550
ISSN (Paper): 0096-3860
DOI: 10.1109/T-AIEE.1907.4764881
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