| RefNo | PB/2/7/2/4 | 
| Previous numbers | B.133 | 
| Level | Item | 
| Title | First draft of letter of thanks from Blackett to Niels Bohr | 
| Date | 18 September 1930 | 
| Description | Written from Berlin following Blackett's visit to Copenhagen (see also B.24).  Blackett also refers to the 'question of why there is such a large group of tracks which go apparently quite straight'. | 
| Extent | 2pp | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA3135 | Bohr; Niels Henrik David (1885 - 1962) | 1885 - 1962 |