Preface; Section I History of Institutions: A Social Network Model for Innovation in Early Aviation History, by Francis Moon --  Franz Reuleaux and the Rhenish Roots of Mechanism Theory, by Reinhard Braune and Burkhard Corves -- The Birth of the Moscow School of Applied Mechanics in the 2nd Half of the 19th and the Early 20th Centuries, by Vera Chinenova, Alexander Golovin and Irina Tyulina -- Royal Manufactures Promoted by the Spanish Crown during the 18th and 19th Centuries: an Approach to European Industrialization, by Javier Echávarri Otero, E. De La Guerra Ochoa, E. Chacón Tanarro, J. L. Muñoz Sanz, E. Bautista Paz, A. Díaz Lantada and J. R. Álvarez -- The Influence of the Society of Jesus on the Spread of European Mechanical Knowledge in China in the XVIth and XVIIth centuries, by Michela Cigola -- Section II Biographical Contributions: Jang Yeong-sil: Inventor of the Striking Clepsydra During the Reign of King Sejong in Joseon, by Nam Moon-Hyon --  Kurt Rauh: Saxon Mechanism Theory Brought to Aachen, by Burhard Corves -- About Karl Hoecken and Some of his Works on Mechanisms, by