1945. First Edition. 400 pages. No dust jacket. Green cloth with gilt titles to spine. Includes various diagrams. Includes photographic plates. Two folding plates in pouch to rear. Note: may be missing some pages. Foreword by Lawrence Bragg. Pages have slight foxing, tanning and minor thumbing. Previous owner's inscription to front endpaper. Some creasing to pastedowns. A few dog-eared corners. Pages a bit warped and wavy overall. Cloth reinforcement to hinges. Pages or plates may have been neatly cut out after p400. Rear pouch loose. Boards have some edge wear, with moderate bumping and fraying to corners, while spine ends are slightly crushed and frayed. Rather scratched, rubbed and marked overall. Spine is noticeably sunned. Gilt is bright.