From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Continued memo regarding modifications to splines and raising the Brinell hardness range.
| Identifier | ExFiles\Box 95\3\ scan0155 | |
| Date | 2nd October 1935 | |
| Continued. - 2 - H18/JC.2.10.35. modifications, particularly with regard to the splines. It was also agreed that the Brinell hardness range could be raised with advantage. Micro and fracture specimens returned herewith, together with the drawings. H1. HE | ||