N L Parr — Zone Refining And Allied Techniques

London, George Newnes, 1st Edition, The quest for extremely pure elements, from a 1960s' perspective. All in VG clean and bright internal order bar light toning to endpapers and wear to foot of title page. No inscriptions. Minimal wear to green boards with some marking to rear. Fair unclipped d/j a little worn and dulled with staining to rear. 8vo. xvi, 184pp, Good, Fair, 8vo - over 7¾ - 9¾" tall, 200