Das Weltbild der Relativitätstheorie. Allgemeinverständliche Einführung in die Einsteinsche Lehre von Raum und Zeit. 2. erweit. Aufl. (4.-9.Tsd.).,
The head of the spine is damaged; there are a series of closed tears along the side of the front cover and the fron hinge has been reinforced with acid free tape. Internally the book is immaculate and the binding excellent.
Published 1920 Paul Hartung Hamburg