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).
Scheme for combined by-pass and shutter control on the Phantom III radiator, including estimated weight and cost increases.
| Identifier | ExFiles\Box 94\3\ scan0125 | |
| Date | 21th December 1936 | |
| 340. To Rm.{William Robotham - Chief Engineer} 21.12.36. LeC.5384 Scheme for combined By-pass & Shutter control on Phantom III Radiator. (1) Estimated weight increase (By Rm{William Robotham - Chief Engineer}/Std) - 3½ lbs. (2) Estimated cost increase (G/Rb.{R. Bowen}5/M72/W.14.12.36.) £4. - £5. Rm{William Robotham - Chief Engineer}/Std. | ||