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).
List of design modifications and their status, with some items completed and others in hand.
| Identifier | ExFiles\Box 161a\4\ scan0179 | |
| Date | 11th February 1937 | |
| ITEM. (2) DESIGN POSITION. Modified auxiliary shoe - front brakes - aluminium shoes. Completed 2.2.37. Hardy Spicer propeller shaft and flanges. Completed 11.2.37. Enclosed rebound buffer - front suspension. Completed 6.2.37. Mod. to bell crank levers on rear brake carrier plate. Completed 9.2.37. Lightened upper triangle levers - Wraith wheel movements on Phantom III. Completed 6.2.37. Increased opening in clutch casing to facilitate removal of balancing screws. Completed 10.2.37. Lightened yoke piece - Wraith wheel movements on Phantom III. In hand. Mods. to Mechanics propeller shaft joints to give increased clearance. In hand. | ||