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General: Spark telegraphy in German colonies

In: Reichspostministerium >> R 4701 Reichspostministerium >> Teil I: Ministerium Berlin (21.422) >> Funkwesen (1.184) >> Funkdienst, Seefunkdienst, Auslandsfunkdienst (414) >> Auslandsfunkdienst und Funkdienst des Auslandes (200) >> Deutsche Kolonien (47) >> Allgemeines

German protectorates in the South Seas: spark telegraph facilities Kaiser-Wilhelm-Land (German New Guinea)

In: Reichspostministerium >> R 4701 Reichspostministerium >> Teil I: Ministerium Berlin (21.422) >> Funkwesen (1.184) >> Funkdienst, Seefunkdienst, Auslandsfunkdienst (414) >> Auslandsfunkdienst und Funkdienst des Auslandes (200) >> Deutsche Kolonien (47) >> Deutsche Schutzgebiete in der Südsee; BArch, R 4701 Reichspostministerium

German-Westafrica: Radiotelegraphic connection Nauen - Togo

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa

German-Westafrica: Radiotelegraphic link Duala (Cameroon) - Fernando Poo (Bioko, Equatorial Guinea)

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa

Kiautschou (Tsingtau) spark telegraph installations

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47)

Large station in Togo: Vol. 1

Contains: Large station in Togo

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Large station in Togo

Large station in Togo: Vol. 2

Contains: Large station in Togo

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Large station in Togo

Spark Telegraphy in Cameroon: Vol. 2

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Cameroon

Spark Telegraphy in Cameroon: Vol. 3

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Cameroon

Spark Telegraphy in Cameroon: Vol. 4

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Cameroon

Spark telegraphy in Cameroon: Vol. 1

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Cameroon

Spark telegraphy in Cameroon: Vol. 5

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Cameroon

Spark telegraphy in Togo: Vol. 1

In: Federal Archives (Archivtektonik) >> North German Confederation and German Reich (1867/1871-1945) >> Economy, Armament, Agriculture, Post, Traffic >> Reich Ministry of Posts (inventory) >> R 4701 Ministry of Postal Affairs >> Part I: Ministry of Berlin (21.422) >> Radio engineering (1,184) >> Radio service, maritime radio service, international radio service (414) >> International Radio Service and International Radio Service (200) >> German Colonies (47) >> German West Africa >> Spark telegraphy in Togo

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