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).
The factory cost saving for Phantom III brake drums with cast-in end plates.
| Identifier | ExFiles\Box 120\1\ scan0251 | |
| Date | 29th November 1937 | |
| 1028 File Rm.{William Robotham - Chief Engineer} c.Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} c.RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer}/CAN.3/FH.29.11.37. PHANTOM III BRAKE DRUMS WITH CAST-IN END PLATES. EXS.142/3. 144/5. With reference to your memo' Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}5/JH.23.11.37. the saving in factory cost if End Plates are cast in the Brake Drums in accordance with the above scheme will be 12s. 6d. per chassis. RHC{R. H. Coverley - Production Engineer}/CAN. CT | ||