Die Technische Nothilfe in der Weimarer Republik (Technical emergency aid in the Weimar Republic) by Andreas Linhardt-Technische Nothilfe (abbreviated as TN, T.N, T.H, Tech Nh, TeNo, TENO; lit. 'Technical Emergency Help') was a German organization. It began as a strikebreaker organization after the First World War, but developed into a volunteer emergency response unit. During the Nazi period TN became in charge of technical civil defense. German copy, used hardcover. In good condition.