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Telefunken Gesellschaft für drahtlose Telegraphie mbH Englisch
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Wireless (spark) telegraphy, connections with foreign countries. - Activity of the company for wireless telegraphy GmbH ("Telefunken"): Vol. 34

Contains among other things: Trials of the Telefunkengesellschaft against the company Huth because of patent infringements, 1913 range attempts of the Telefunken-Gesellschaft from Nauen to Togo and Sayville (near New York), Nov. 1913 equipment of ...

In: Wireless Telegraphy (Spark Telegraphy) >> Activity of German telegraph companies >> Wireless (spark) telegraphy, connections with foreign countries. - Activity of the Company for Wireless Telegraphy Ltd ("Telefunken")

I.4.239 - NL Karl Mey

Preface: Karl Mey * 16 March 1879 in Wandersleben near Gotha, Thuringia; † unknown, after May 1945 Mey studied mathematics and physics at the Humboldt University Berlin. He received his doctorate in 1902 with his work "On the cathode gradient...

In: Stiftung Deutsches Technikmuseum Berlin, Historical Archive >> I.4 Discounts >> I.4.128 - Slg. Neal O'Connor

I.4.048 - NL Gerhart Goebel

Brief description: * 16 November 1906 in Cologne † 14 January 1995 in Darmstadt-Eberstadt. 1913 to 1926 he attended the Realgymnasium in Siegen. Already at the age of 17 he built his first radio receiver, which, except for the audio tube, was comp...

In: Stiftung Deutsches Technikmuseum Berlin, Historical Archive >> I.4 Discounts >> I.4.128 - Slg. Neal O'Connor

I.4.095 - NL Wolfgang Federmann

Foreword: * 1903 † 14 February 1986 Wolfgang Ferdermann was employed from 1926 to 1946 as a graduate engineer in Department F 3 of the Telefunken Gesellschaft für drahtlose Telegraphie m.b.H. under the direction of Prof. Fritz Schröter. This depa...

In: Stiftung Deutsches Technikmuseum Berlin, Historical Archive >> I.4 Discounts >> I.4.128 - Slg. Neal O'Connor

Federmann, Wolfgang

Personnel files - Esau

Contains: Esau, Abraham (Dr.Dr.med. h.c. Dr. phil. born 7.6.1884 in Tiegenhg./Danziggest. 12.5.1955 in DüsseldorfGuest Professor (since 1.3.1949) Shortwave Technology Vapl.Prof. since 1.3.19491949/50 - 1955Study: Physics at the University of Berli...

In: University archive of the RWTH Aachen (Archivtektonik) >> Holdings of the University Archive of RWTH Aachen University (holdings) >> 7 No. 1551 - No. 1801