Bronze Age Gold from Wales

Translation abstract of a paper entitled 'Untersuchungen über den Verschleiss von Blasversatzrohren und -Krümmern' by Dr.-Ing. Erich Maier, Stuggart. Originally published by the Engineering Institute 'Verschleiss-Technik, Dr.-Ing, H. Wahl'. (A Gluckauf Publication, Essen, 1952). Information Bulletin - N.C.B Translation No. A.300/F.W.H. 36 pages with 3 tables, 2 diagrams and bibliography.