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A carrier column crosses a river in the German colony of East Africa / Photographer: Scherl

Lange, Erich (1889 - 1965) Prof. Dr.phil.; Professor of Fuel Geology 1946 President of the German Geological Survey; Director of the Geological Service of the GDR The estate contains: Excerpts from the file 1957 "Preparation of the commemorative event 10 years StGK (Staatliche Geologische Kommission) (contains among other things: material, elaborations and handwritten notes) Correspondences Personal letter of Gottlieb A. Seberna Handwritten notes among other things from and to geological books, to Cameroon, manuscripts to geological observation in French, German and English. Colonies (e.g. East-Adamaua), excerpts from the journal of the German Geological Society vol. 84(1932), photographs of tree trunks in a basalt stream near Meiganga

German colonial officials travel on the first section of the Dar es Salaam - Mrogoro railway / Photographer: Scherl

Undersecretary of State of Lindequist at Dar es Salaam railway station during his inspection trip through East Africa / Photographer: Scherl

The warship 'Hertha' is anchored in the harbour of Dar-es-Salaam / Photographer: Scherl

The torpedo boat 'Wami' takes over a torpedo from the 'Königsberg' in the colony D e u t s c h - O s t a f r i k a during the First World War / Photographer: Scherl

(These skins are so heavy that more than 35 men are needed to transport them.)

Construction of the railway from Dar es Salaam to Morogoro in the German colony of East Africa / Photographer: Scherl

Track laying for the German East African Central Railway from Dar-es-Salaam to Morogoro in the colony of German East Africa / Photographer: Scherl

Construction of the railway from Dar es Salaam to Morogoro in the German colony of East Africa / Photographer: Scherl