GEMA: Birthplace of German Radar and Sonar

Front Cover
CRC Press, Jan 1, 2000 - Science - 206 pages
In Germany, the development of the first technologies of sonar and radar were interrelated. Following Christian Hulsmeyer's forgotten invention of the "Telemobiloskop" in 1904, two Berlin engineers, Paul Gunther Erbsloh and Hans-Karl von Willisen, developed and built devices to locate targets accurately by reflections with underwater sound and radi

Other editions - View all

Bibliographic information