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 of part numbers with their corresponding descriptions.
| Identifier | ExFiles\Box 10\2\ 02-page37 | |
| Date | 29th December 1938 guessed | |
| F.88372 Top piece. F.{Mr Friese} 73 Ret Nut. F.{Mr Friese} 76 Filler cap. F.89355 Filler head. FB.2445 Rubber connection. Jubilee 3.x. 00 Rm{William Robotham - Chief Engineer}/J.B.Dixon. | ||