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).
File cover for documents concerning Wraith and Bentley Steering.
| Identifier | ExFiles\Box 9\7\ 07-page183 | |
| Date | 18th April 1939 guessed | |
| 650 By & Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} 1/FH. 14. H 39. Wraith & Bentley Steering file 1300. | ||