1930
by Einstein, Albert
1930. Offprint from Sitzungsberichte der preussischen Akademie der Wissenschaften (1930). Single sheet (pp. 1-2). 256 x 184 mm. Upper edge a bit creased, light toning, but very good. First edition, offprint issue. One of Einstein's last papers on Riemann metrics and distant parallelism, written the year before he abandonded this approach to constructing a unified field theory. Pais, Subtle is the Lord, p. 347. Weil, Albert Einstein Bibliography, 173. (Inventory #: 43314)