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 new and replaced parts for anti-rattle components on 2nd, 3rd, and 4th speed cones.
| Identifier | ExFiles\Box 99\4\ scan0241 | |
| Date | 15th September 1940 | |
| ATTACHMENT. En.2/ML.15.9.40. ANTI-RATTLE 3rd. and 4th. PD.467. New Parts. Replaced Part. GB.5207 Key 2 off. GB.5138 GB.5208 Rivet 2 off. GB.5139 GB.5209 Spring 2 off. New Piece. GB.5210 Outer Cone 1 off. GB.5131 GB.5211 Outer Cone 1 off. GB.5132 GB.5316 Insert 1 off. GB.3959 GB.5137 Insert 1 off. GB.3961 For use with overdrive ratios. ANTI-RATTLE 2nd. SPEED CONE. PD.455. New. Replaced. GB.5275 Outer Cone 1 off. GB.5124. GB.5214 3rd. M.S. 1 off. GB.4880. GB.4842 Spring 1 off. .1875 Dia. Steel Balls. 2 off. For use with overdrive ratios to prevent cones rattling. | ||