List of modifications for the B.V. Gearboxes for the Corniche cars.
| Identifier | ExFiles\Box 99\4\ scan0289 | |
| Date | 23th June 1939 | |
| H.28 1200c. To By {R.W. Bailey - Chief Engineer} /NS. {Norman Scott} from Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} c. By {R.W. Bailey - Chief Engineer} /CRL. {C. R. Lisson} Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 2/WH.23.6.39. B.V. GEARBOXES. The next six production boxes for the Corniche(Bentley streamline(Experimental Streamline Bentley B.23.A.E)d precursor to R Type Continental, never produced) cars should include - (1) Top and Overdrive cones with strengthened lugs GB.5131/2. (2) 2nd. speed cam and dog angle to the latest drawings. (3) All cones lightened as discussed with By {R.W. Bailey - Chief Engineer} /CRL. {C. R. Lisson} (4) Servo oil seal PD.450. (5) Correct operating forks. (6) Selector forks with wider jaws. All the boxes including the first 12 should have - (a) Side shaft bearings with composite brass and steel cage. (b) Mod. (3) above. Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} | ||
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).