Keywords: Siemens Governor Improved Version.jpg en Siemens governors improved version On an Improved Governor for Steam Engines as detailed on pages 75-87 and Plates 15-18 of the said proceedings Picture is a rearanged version of plate 18 de Siemens Differential Regler für Dampfmaschinen Google Books at http //books google de/books id NGUAAAAAMAAJ printsec frontcover dq editions LCCN08018925 Proceedings of the Institution of Mechanical Engineers 1853 1853 PD-old Steam engine governors Carl Wilhelm Siemens |