Description
ALBERT EINSTEIN 1921 PRINCETON LECTURE NOTES ON RELATIVITY. "Abstracts of Three Lectures on Relativity Delivered at Princeton University by Albert Einstein May 11-13, 1921." Summarized and translated by Almar Naess and Philip Franklin. Princeton, N.J.: May 1921. Small folio. Title and 10 ll. mimeographed on sulphite paper, the text typewritten...