Possible Clues:

• Following fifty one would not get so much of it in Germany
• City in the Ruhr
• German city has only 50% of the things definitely needed
• The sound of the North and the South initially in Germany
• Strange sense of locality in Germany
• Krupp foundry city
• Where one might begin to sneeze in Germany, by the sound of it
• Main industrial city of the Ruhr
• Krupp steelworks city
• Industrial city in Germany