| RefNo | HD/10/3/43 |
| Previous numbers | 93HD.47.9.43 |
| Level | Item |
| Title | Copy Cecil J T Cronshaw, Imperial Chemical Industries Ltd, to Sir Edward Mellanby, Medical Research Council |
| Date | [23 February 1945] |
| Description | With regard to the device to measure heart sounds, he notes that du Pont propose to retain the American patent rights |
| Extent | 1p |
| Format | Typescript |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |