Requesting the inclusion of an asbestos valve grummet for the Phantom III 4 port cylinder head.
| Identifier | ExFiles\Box 93\4\ scan0131 | |
| Date | 18th December 1937 | |
| To By. {R.W. Bailey - Chief Engineer} c. to By {R.W. Bailey - Chief Engineer} /CS. 319 Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 2/JH.18.12.37. Phantom III 4 port head. Will you please include the 4' - 4'6" asbestos valve grummet on the LOP for the latest 4 port cylinder head (E.89206). This is the same grummet as instructed for Wraith in accordance with our memo. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 2/MH. {M. Huckerby} 8.12.37. andis required to keep valve bounce out of the speed range. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
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).