| RefNo | RR/W/6/30 | 
| Level | Item | 
| Title | Letter from [John Douglas] Cockcroft to the Secretary of the Royal Society, regarding a paper 'The influence of magnetic fields on persistent currents in superconductors' by K C Mann, H [Grayson] Smith, and J O Wilhelm | 
| Date | 24 May 1938 | 
| Description | Paper reference code: A.71 
 Does not think the paper should be published until 'the apparent contradiction with other authors' has been resolved. Is willing to discuss this with the authors.
 
 [Not published in RS journals but published in the Physical Review, v. 54, 758, Nov. 1938].
 | 
| Extent | 1p | 
| Format | Typescript | 
| PhysicalDescription | Letter on paper | 
| AccessStatus | Open | 
| RelatedRecord | RR/W/6/31 | 
| RR/W/6/32 | 
| RR/W/6/33 | 
| RR/W/6/34 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8174 | Cockcroft; Sir; John Douglas (1897 - 1967); physicist | 1897 - 1967 |