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1926 Fire Alarm Trade Catalogue
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1926 Fire Alarm Trade Catalogue
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L.M. Ericssons Selbstanschluss-system. Erfahrungen am Stockholmer Fernsprechnetz über die Betriebssicherheit under den Unterhalt des Systems. [L.M. Ericsson’s automatic telephone switching system. Experiences with the Stockholm telephone system about operational safety and system maintenance.]
$150
Stockholm: L.M. Ericsson, 1927. 295 by 210mm (11½ by 8¼ inches). Brochure; 7 pp. In German. Offprint out of L.M. Ericsson Review No. 7-9, Year IV, 1927. With illustrations and tables. Wear to extremities.
Ericsson revolutionized the world of automated telephone switching, which allowed society to move away from manually connected calls. This offprint discusses they company’s invention and success moving from a manual operator based switchboard to an automated system. This system was Ericsson’s initial claim to fame and resulted in major contracts worldwide.
This offprint quite scarce as we were not able to locate any copies in OCLC.
| Title | L.M. Ericssons Selbstanschluss-system. Erfahrungen am Stockholmer Fernsprechnetz über die Betriebssicherheit under den Unterhalt des Systems. [L.M. Ericsson's automatic telephone switching system. Experiences with the Stockholm telephone system about operational safety and system maintenance.] |
|---|---|
| Year of Publication | 1927 |
| Publisher | L.M. Ericsson |
