Extension of the port of Duala. - Plans and cracks

• BArch, R 1001/9660
• Akt(e)
• um 1912

Teil vonFederal Archives (Archivtektonik)

Contains among other things: Contract between the tax authorities of the protectorate Cameroon and the company Grün

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Foreign Affairs, Colonial and Occupation Administration >> R e i c h s k o l o n i a l a m t (inventory) >> R 1001 Imperial Colonial Office >> Railway and technical matters

Personnel files - Esau

• Hochschularchiv der RWTH Aachen, 1789
• Akt(e)
• o.D.

Teil vonUniversity 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
• Akt(e)
• Okt. 1913 - Juni 1914 (1914)

Teil vonFederal 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")