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Extension of the port of Duala. - Plans and cracks

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

Kiautschou Port Facilities: Vol. 7

Contains among other things: Execution of port construction works by Vering Investigation of various types of wood and paints for borer resistance Offers for delivery of a slewing crane Explanatory report on the project for fastening friction pile...

In: Shipyard and harbour affairs in Tsingtau >> Kiautschou port facilities

German Imperial Naval Office

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")