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).
Numbered list of vehicle chassis modifications with reference numbers and handwritten annotations.
| Identifier | ExFiles\Box 82\2\ scan0057 | |
| Date | 6th June 1934 | |
| - 2 - (16) Improved ignition coil - RR. Sch.684. ✓ (17) Mounting of ignition coils. BY/RD.2/W.28.5.34. BY/RD.3/W. 6.6.34. ✓ CHASSIS. ------- (1) Fabric bonnet rests on dashboard in place of rubber - RR. Sch.572. ✓✓ (2) Sheet metal floorboards - LeC.3690/1.3707/3781. ✓ (3) Outside petrol tank filler - N. Sch.3929.* (4) Concealed screws on easy brake adjustment (Detailed from BY's Dept). (5) Brake equaliser shafts with spherical bearings. N. Sch.3887, 3912, 3932. this item is coming on for 'C' series but no ✓ standardisation sheet has as yet been issued. (6) Harrison radiator matrix✓ (7) Dropped front crossmember. RR. Sch.614.LeC.3807,3904, RR. Sch.633. ✓ (8) Damper flywheels on transmission N. Sch.3911. ✓ (9) Modifications to enable petrol tank to be lowered without removal of road springs. N. Sch.3945. ✓ (10) Mud excluders for steering joints. N. Sch.3845,3848,3963, (11) New clutch. N. Sch.3948. (12) Modified fixing of bonnet rest fabric on radiator side strips. LeC. 3773. ✓ (13) Strengthened brake toggles - N. Sch.3958. ✓ (14) Spring loaded spherical bearing for pedal shaft in gearbox N. Sch.3960. This item was asked for by GWH{George W. Hancock - Head Chateauroux} after the last French 10,000 miles test. * (15) Unbalanced radiator shutters. LeC.3798. ✓ Handwritten notes: Next to (2) & (3): On Present Car Over (5): ON P.B. & S.E. CAB SHEET Next to (6): ON PRESENT CAR Under (7): ON PRESENT CAR Next to (8): ON PRESENT CAR Next to (9): ON PRESENT CAR After (11): ON 20/25. HOPE TO GET ON PRESENT CAR Next to (12): ON PRESENT CAR Next to (14): ON PRESENT CAR | ||