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 modifications involving special clutch plates and springs for specific cars.
| Identifier | ExFiles\Box 93\3\ scan0264 | |
| Date | 12th February 1937 | |
| 312. N/W. Rm{William Robotham - Chief Engineer}/Smth. IA D/DP Br/G2/G.12-2-37. re. P-III Modifications. (Special Clutch Plates) Rm{William Robotham - Chief Engineer}/Smth.3/AP.30-1-37 and our Br/G8/G.10-2-37. The cars to which we have fitted these special G/84808 plates, and springs are;- 3-AZ-38. 3-AZ-30. 3-AZ-22. The three plates removed are being returned to-day, after which, no doubt you will use them up as usual. We shall be pleased to receive the further set of lighter springs soon. Br/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} | ||