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).
Accompanying blueprints for a Wraith gearbox casing, detailing its components and referencing related part drawings.
| Identifier | ExFiles\Box 136\4\ scan0214 | |
| Date | 17th March 1938 | |
| BY/NS.{Norman Scott} c. Rm.{William Robotham - Chief Engineer} HS{Lord Ernest Hives - Chair} 1153. DA.{Bernard Day - Chassis Design}1/G.17.3.38. B.111, B.50. WRAITH. H.H. Please receive herewith blueprints of FD.{Frank Dodd - Bodies}104 Gearbox Casing (2 Sheets). In addition to the main casing, which has been detailed and issued. This scheme shows the rear cover, large side cover, Dip stick handle and filler plug. For other details in connection with this gearbox refer to FD.{Frank Dodd - Bodies}85 Train of Gears. FD.{Frank Dodd - Bodies}103 Gear Box Actuating Mech. FD.{Frank Dodd - Bodies}115 Servo and Speedo Drives and Damper Control, Pump and Valve. G.CD.518 Flywheel and Clutch. G.CD.543 Rear Engine Suspension. DA.{Bernard Day - Chassis Design} | ||