Contains among other things: Plan for the testing of the surveying ship and final report of the testing from 12 to 26 March 1907 Travel reports Report on the "Seagull Department" on Lake Tanganyika in D e u t s c h - O s t a f r i k a 1914 to 1916 as well as on the activities during the outbreak of war in D e u t s c h - O s t Asia 1914