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Amgueddfa Cymru – Museum Wales
Translation of an article entitled 'Betriebserfahrungen undergebnisse mit kolbenlosen Setzmaschinen Bauart Wedag auf der Zeche Neumühl' by Von Oberingenieur Dr.-Ing. Heinz Kocks, which appeared in Glückauf, Vol. 88 (1953), No. 23/24, pp. 568-577. Information Bulletin - N.C.B Translation No. A.569/US. 11 pages with a diagram and tables.
