POPULAR EDUCATOR (#51, Second Year, 1940) EINSTEIN'S RELATIVITY
THE POPULAR EDUCATOR
No. 51, Second Year, 1940.
764 Digests of the World's Great Books in 53 Weekly Issues. Published by the National Educational Alliance, Inc.
the special and the general theory
Began as a short paper and was eventually published as a book written by Albert Einstein with the aim of giving: . . . an exact insight into the theory of relativity to those readers who, from a general scientific and philosophical point of view, are interested in the theory, but who are not conversant with the mathematical apparatus of theoretical physics. It was first published in German in 1916 and later translated into English in 1920.
Nice condition with light cover wear & clean pages. Just over 8-1/4 x 5-1/2. About 90 pages. Illustrated. Classic Americana literary journal.