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).
Developed view drawing for a cylindrical component with cutouts and tabs.
| Identifier | ExFiles\Box 106\5\ scan0186 | |
| Date | 20th October 1938 guessed | |
| .675 DIA 1.700 .700, .700 .150 .125 DEVELOPED VIEW .100R .350 26SWG(.018) .075 MATL S/CS | ||