| RefNo | PB/3/2/1/13 | 
| Previous numbers | C.87-C.90 | 
| Level | File | 
| Title | Work on new magnetic measuring instrument, designed by Blackett and DJ Sutton | 
| Date | c.1955 | 
| AccessStatus | Open | 
| RelatedMaterial | See Bernard Lovell, 'P.M.S. Blackett: A Biographical Memoir', Royal Society: 1976, pp91-92 |