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).
Order for 50 Thermoid Clutch rings from America.
| Identifier | ExFiles\Box 129\1\ scan0215 | |
| Date | 1st July 1937 | |
| Roy.{Sir Henry Royce} from Rm.{William Robotham - Chief Engineer} c. G/JWH. Rm{William Robotham - Chief Engineer}17/R.1.7.37. Will you please order from America a further 50 Thermoid Clutch rings CW.13016 13½ x 9½ x .137 as previously supplied per attached invoice. Rm.{William Robotham - Chief Engineer} | ||