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).
Correction memo regarding the name on the patent application for the Aspin Rotary Valve.
| Identifier | ExFiles\Box 147\4\ scan0049 | |
| Date | 16th August 1940 | |
| 1360 ? Patent 1247 DA.{Bernard Day - Chassis Design} ✓ Rm.{William Robotham - Chief Engineer} NW{N. Walker - Patents}1/MW.16.8.40. Aspin Rotary Valve. Application No. 12966/40 Referring to our NW{N. Walker - Patents}3/MW 14.8.40; Mr. Rowledge's name was quoted in error. The application was filed in Mr. Robotham's name. N.W. | ||