Istanbul: Matbaa-i Âmire 1338 [1922]

  A rare book on the theory of relativity was written by one of the first Ottoman electrical engineers Mehmed Refik and contains various experiments, which should be tested in…

8°. 60 pp. with a map, [4 pp.], original wrappers with lettering, later spine (minor staining and foxing, but overall in a good condition).