| Lines 21-23 were replaced by lines 21-23 |
| - * The automatic needle vavle control does not work properly. It seems that this |
| - is a mechanical problem of the cold valve. The Magnet has to be sent back to |
| - Oxford Instruments. |
| + * The automatic needle valve control does not work properly. It seems that this |
| + is a mechanical problem of the cold valve. The magnet has sent back to |
| + Oxford Instruments and should be back in the beginning of May 2005. |