Dansk Signal Industri A/S has designed for section of Greater Copenhagen, system for centralized synchronous traffic regulation of main thoroughfares of borough; system in operation for 2 yr, has given entire satisfaction. See also Engineering Index 1934 p 455, under heading: Fire Alarm Systems.
Centralised traffic regulation in large towns
Ericsson Rev
Ericsson Review ; n 3 ; p 95-99
1936
5 pages
Article (Journal)
English
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