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 part modifications and references for various vehicle mechanisms.
| Identifier | ExFiles\Box 169\1\ img127 | |
| Date | 11th July 1930 | |
| (5) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS11.7.30. Speedometer Drive to LOP. G.77570. 1st. & 3rd. Motion Shaft to LOP. G.78194 - N.S.2973. 2nd. Motion Shaft to LOP. G.76615. Reverse Shaft to LOP. G.76676. Servo Drive to LOP. G.76740. Servo Mechanism to LOP. G.77669. (1) G.78388 Pull Rod replaces G.77581. (2) Cotton "A" Fabric secured to Pressure Plates by Staples in place of Copper Tubular Rivets. Change Gear & Brake Mechanism to LOP. G.77720 - N.S.3111/2. (1) 17" Hand Brake Lever replacing 18". (2) Stronger Change Lever Centralising Springs to N.S.3111. (3) Modified Change Speed Lever Sphere to N.S.3112. Wire Fittings to LOP. E.77671. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||