I.4.239 - NL Karl Mey

• I.4.239
• Fonds

Part of Stiftung Deutsches Technikmuseum Berlin, Historical Archive

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

Personnel files - Esau

• Hochschularchiv der RWTH Aachen, 1789
• File
• o.D.

Part of University archive of the RWTH Aachen (Archivtektonik)

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

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

• BArch, R 901/80752
• File
• Okt. 1913 - Juni 1914 (1914)

Part of Federal Archives (Archivtektonik)

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")