IEEE - Institute of Electrical and Electronics Engineers, Inc. - Radiotelephone service is expanding

Author(s): J. J. Pilliod
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 September 1931
Volume: 50
Page(s): 748 - 752
ISSN (Paper): 0095-9197
DOI: 10.1109/EE.1931.6429430
Regular:

With 91 per cent of the world's telephones already provided with facilities for direct international conversations, plans and developments are progressing to provide extensions. Present services... View More

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