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The need for standards

The Lidingö trials

The Lauhrén system

The Berglund system

Russian pioneers 3

1917

1900

Pioneers of wireless communication 2

1895

1919

1942

1939

1861

1938

1930

1925

1903

1946

1899

1900

1945

Russian pioneers 3

Yet another cowboy who played an important role for Ericsson in Russia was Karl Wilhelm Gerdhem, employed as an engineer by SAT in 1892. When Svensk-Dansk-Ryska Telefon AB won Russian concessions, Gerdhem was appointed head of the company with an office in Moscow. For four years he cooperated with Erik Englund on the intensive expansion of the network.

After his four years in Moscow, Gerdhem was posted to Mexico City, where for some years he directed the installation work for the operating company opened by Ericsson in 1907. The company’s attempts to gain new operating concessions also took him for long periods to Argentina and China.

Author: Svenolof Karlsson & Anders Lugn