A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Canton automatic telephone system
Installation of new and modern system at cost of $700,000 by China Electric Co. is described; central exchange building; erecting of concrete pole; manhole constructed for underground cable system; central exchange, registers and sequence switches; laying concrete-duct system; registers and first-line finders and underground cable, are illustrated.
Canton automatic telephone system
Installation of new and modern system at cost of $700,000 by China Electric Co. is described; central exchange building; erecting of concrete pole; manhole constructed for underground cable system; central exchange, registers and sequence switches; laying concrete-duct system; registers and first-line finders and underground cable, are illustrated.
Canton automatic telephone system
Far East. Rev
Far Eastern Review ; 25
1929
3 pages
6 Figs.
Article (Journal)
English
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