-Language as Chiffre- is an investigation of Wittgenstein s theory of symbols, emphasizing the delimitation of conventional signs into a language of gestures, pictures and any other expressions, just recognizable as significant. The theory is explained and shown as practised in Wittgenstein s typescripts and manuscripts, which communicate not just philosophy, but technical details about German military projects, and even alludes to escapes from Germany, all hidden in a masquerade of nordisms and germanisms . The historical background of Wittgenstein s anti-fascistic spy-actions is discussed...