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).
Instruction to replace the existing interleaving with Tufnol interleaving on the rear road springs for car 3.B.50.
| Identifier | ExFiles\Box 111\3\ scan0070 | |
| Date | 31th March 1939 | |
| 800b To HPe. from Rm{William Robotham - Chief Engineer}/FWK. Rm{William Robotham - Chief Engineer}/FWK.9/JH.31.3.39. 3.B.50. Before the above car leaves the shop will you please remove the rear road springs and in place of the existing interleaving fit the Tufnol interleaving which will be supplied by Rm{William Robotham - Chief Engineer}/FWK. Rm{William Robotham - Chief Engineer}/FWK. | ||