Some Recent Developments in Railway Telephony

Author(s): Gregory Brown
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 April 1911
Volume: XXX
Page(s): 1,007 - 1,036
ISSN (Paper): 0096-3860
DOI: 10.1109/T-AIEE.1911.4768308
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