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 updates and references for various vehicle mechanisms and components.
| Identifier | ExFiles\Box 71\3\ scan0034 | |
| Date | 9th December 1925 | |
| .4. RHC{R. H. Coverley - Production Engineer}2/BE. 9.12.25. X.8320 -Change Gear & Brake Mechn S 1. Close-up "C" type Change Speed Mechn & Side Levers to LeC 2037-2079 & Arrgt. Drg. G.73775. S 2. Change Speed Mechanism drilled for Gear Box Air Release X.8330 -Front Brake Equal:Mechn S To L.O.P. G.73224. X.8310 -Intermediate Shaft S To L.O.P. G.73233. X.8330 - Foot Brake Equal:Mechn S To L.O.P. G.72553. X.8330 -Hand Brake Equal:Mechn S To L.O.P. G.2991. X.8420 - Front Axle S Standard Front Axle to L.O.P. G.72403. X.8420 - Cross Steering Tube S To L.O.P. G.72392. X.8350 -Rear Axle S New Rear Axle No. EXP7-A.865(57" track) 15/52 ratio to L.O.P. G.74002. X.8360 -Rear Brakes S 1. Metal Dirt excluders on Rear Brake Actuator Shafts to G.L. 152. 1.12.25. S 2. Improved Rear Brake Covers to N.S.2039(Sch:2) otherwise to L.O.P. G.74003 (57" track) X.8365 -Rear Hub S To L.O.P. G.6962. X.8340 -Universal Joint S Existing Universal Joint to L.O.P. G.6833. X.8290 -Undershield S Felt Strip on Undershield to LeC 2091. Pocket for Accelerator Lever modified to N.S.2078 otherwise to L.O.P. G.73499. -contd- | ||