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).
List specifying quantities and modifications for idle jet tubes, metering screws, and springs.
| Identifier | ExFiles\Box 122\2\ scan0256 | |
| Date | 5th November 1937 guessed | |
| -2- Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe}3/MH.{M. Huckerby} 24 off; size 70 idle jet tubes (P.17007 modified) These tubes to have a 54 morse diameter air hole drilled central through the top into the fuel hole across. 24 off; Ph.III idle metering screws (1168) 24 off; " " springs for same. (1177) When replying will you please include 2 copies of Phantom III EE.C.42. E.88115 list of parts giving your numbers for same. Yours faithfully, for ROLLS-ROYCE LTD. | ||