List of sequential modifications to brake, hub, and under-chassis components.
| Identifier | ExFiles\Box 97\1\ scan0265 | |
| Date | 10th November 1938 | |
| -6- RM {William Robotham - Chief Engineer} /Cr. {Mr Cra’ster / Mr Chichester} 17/AD. 10.11.38. Seq. O. {Mr Oldham} L.O.T. 6150 Rear brake Equal. Gear GB4236 GCD.897 Rear brake inter shaft. 6152 Front brake inter lever. GB4088 FCD.910 Front brake damper. Lever in N/S. 6160 Undersheet GCD.1062. 6170 Rear Hub GBJ3822 To suit wire wheels. GBAJ16 Dist. piece. 6180 Servo Motor Mech. To be held up. 7043 Front Brake GBJ3823 FD. {Frank Dodd - Bodies} 132 Wider front brakes. 7044 Front Hub GB4377 FD {Frank Dodd - Bodies} 25; Angular contact bearings in wire wheel. RM {William Robotham - Chief Engineer} /Cr. {Mr Cra’ster / Mr Chichester} | ||
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).