Die Drehzahl von Induktionsmaschinen mit Schleifringläufer läßt sich steuern, wenn man in den Läuferkreis der Induktionsmaschine eine ver änderliche Fremdspannung einführt. Dies stößt auf...
As a result of investigations carried out in connection with space research considerable progress has been achieved in the construction of cryogenic machinery and in the heat insulation technique. It...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the...