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).
New marking 'C' for S.U. Petrol Pumps to indicate that pole pieces are central.
| Identifier | ExFiles\Box 149\4\ scan0369 | |
| Date | 8th July 1937 | |
| To By.{R.W. Bailey - Chief Engineer} c. to Hd.{Mr Hayward/Mr Huddy} 1263 Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems}5/JH.8.7.37. S.U. Petrol Pumps. We have arranged with the S.U. Company that in addition to pumps being marked G53 a letter C is to be added showing that the pole pieces in the magnet pots are central to .003". This will also apply to pumps returned for repair or modification. Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems} | ||