jan 1, 1817 - Space and Terrain Codified in Military Handbook
Description:
Rühle's Handbuch für den Offizier zur Belehrung im Frieden und zum Gebrauch im Felde or Handbook for the Officer for Instruction in Peace and for Use in the Field.
Specifies what terrain is for military and codifies the map and intelligence gathering as requisite for understanding of troop movements.
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