Schrage machine as a self-excited asynchronous generator This book, "The Schrage machine as a self-excited asynchronous generator", by D. M. Wynne, D. D. Blair, is a replication of a book originally published before 1953. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.