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).
Phantom III Clutch Plate Assembly and its associated cost file.
| Identifier | ExFiles\Box 93\3\ scan0335 | |
| Date | 9th July 1937 | |
| To Hs.{Lord Ernest Hives - Chair} Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}6/JH.9.7.37. Phantom III Clutch Plate Assembly. See cost file - 1260. | ||