TEXT FLY WITHIN THE BOOK ONLY OU_158481>5 OUP 30.1-71 5,000 OSMANIA UNIVERSITY LIBRARY >H ^ Call No. ^' Accession No. G\, CT Author Title This bopk shouldbe returnedon or beforethedate lastmarked below. THE CRYSTALLINE STATE VOL. II THE OPTICAL PRINCIPLES OF THE DIFFRACTION OF X-RAYS THE CRYSTALLINE STATE VOL II LAWRENCE BRAGG Editor SIR : THE OPTICAL PRINCIPLES OF THE DIFFRACTION OF X-RAYS By R. W. JAMES D.Sc., F.R.S. FMFRITUS PROFESSOR OF PHYSICS INTHEUNIVERSITY OFCAPE TOWN LONDON G. BELL AND SONS LTD 1962 Firstpublishedin 1948 Reprinted 1950 alterationsandaddendum 1954 Reprinted1958 Reprintedwithaddendum 1962 PRINTEDINGREATBRITAINBYBRADFORDANDDICKENS LONDON,W.C.I