Diary of First Lieutenant Rudolf Gansser mainly about his surveying work in the Usambara area, led by leaving his homeland in Stuttgart on 13.11.1896, from 13.12.1896-2.08.1897, on arches in the Schober, hs. Man. 320 pages Note: excerpts reprinted in: "Nicht als Abentheurer haben ich hier gekommen gekommen ...": 100 Jahre Entwicklungs-"Hilfe"; Diaries and Letters from Deutsch-Ostafrika 1896 - 1902, edited by Heinrich Dauber, Frankfurt/M.: Verl. für Interkulturelle Kommunikation, 1991, pp. 33-156 For better traceability, the date of the entry is given here, not the date of the event