Author: Ernst Brütsch (auth.), Professor Dr. P. Aulich, Professor Dr.-Ing. e. h. O. Bauer, Professor Dr. Dr.-Ing. e. h. L. Beck, Dr.-Ing. H. Bitter, E. Brütsch, Ing. Georg Buzek, T. Cremer, Dr.-Ing. K. Daeves, Werkschulleiter F. Dellwig, Dr.-Ing. K. Dornhecker, Professor Dr.-Ing. R. Durrer, Obering. M. Escher, Professor Dipl.-Ing. G. Fiek, Professor Dipl.-Ing. G. Hellenthal, Oberbergrat J. Hornung, Ing. C. Irresberger, Obering. Dr.-Ing. Th. Klingenstein, Gießereiingenieur H. Kopp, Professor Dipl.-Ing. U. Lohse, Dipl.-Ing. Fr. Märtens, Berat. Ing. Joh. Mehrtens, Dr.-Ing. M. Philips, Direktor Dr.-Ing. E. Schüz, Dr.-Ing. C. Schwarz, Dr.-Ing. A. Stadeler, Dr.-Ing. R. Stotz, Obering. H. Tillmann, Werksdirektor L. Treuheit, Dr.-Ing. P. Uebbing, Dipl.-Ing. S. J. Waldmann, Ingenieur Fr. Wernicke, Professor A. Widmaier, Dipl.-Ing. H. Witte, Dr.-Ing. C. Geiger (eds.)