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 ships with radio stations, Dec. 1913 radio station of the Deutsche-Südseegesellschaft für drahtlose Telegraphie in Jap (Karolinen) and Nauru (Marshall Islands) in operation, Dec. 1913 radiotelegraphic length determinations between the stations Eiffelturm and Arlington, Dec. 1913. 1913 Wireless telegraphy in and with the German colonies (newspaper clipping of the "Hamburger Nachrichten"), 1914 patent situation in the field of wireless telegraphy, Jan. 1914 Safety of passenger transport by sea (memorandum of the German government), 1912 - 1914 Opening of the Danish radio station Blaavandshuk, 1914 International treaty for the protection of human life at sea, 1914 Range tests of Nauen with the "Cap Trafalgar" in the Atlantic Ocean, with maps, March - Apr. 1914 Minutes of the meeting of the committee for joint work in the field of radiotelegraphy, 14th Feb. 1914

Contains among other things: Directories on Romanian citizens in Württemberg and Brazilians in Stuttgart, October 1916; Invoicing of costs for arrested foreigners, 9 August 1915; Visit of internees in Switzerland, January 1917; Forced administration and sale of luggage of French citizens, 28 April 1917; Publications of the R e i c h s k o l o n i a l a m t on the colonial Germans from Cameroon and Togo in French captivity and on the behaviour of the Allied troops against the white population of these protectorates, 1917

Contains: Native auxiliary officials in Togo

Contains: Postal agents in Togo

Contains: Local subcontractors in Togo

Contains: Local aid workers in Togo

Contains: Officials Togo

Note from another hand: drawing by E. M. Heims, 7.2. 1913

Contains: Request about the contract with the Dualas, July 1884

Contains: Discussion of Prof. Dr. Behrend, Geologische Landesanstalt Berlin, in Paris for the design of a study plan for investigations in Togo, Dahomé and Cameroon

Contains: Station settlements

Contains among other things: Scope and location of the Mangu district, border problems

Contains among other things: Meeting with French and English expedition