Brief note on the complexity of a B.M.W. Cylinder Head.
| Identifier | ExFiles\Box 134\1\ scan0040 | |
| Date | 17th November 1937 | |
| H29 By. {R.W. Bailey - Chief Engineer} from Rm. {William Robotham - Chief Engineer} c. Da. {Bernard Day - Chassis Design} c. Da {Bernard Day - Chassis Design} /Jnr. {Charles L. Jenner} Rm {William Robotham - Chief Engineer} 4/R.17.11.37. B.M.W. Cylinder Head. This head is not as simple as it looks. Rm. {William Robotham - Chief Engineer} | ||
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).