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).
Confirmation to order parts for a roller chain front-end drive for B.60 engines, as an alternative to the morse chain.
| Identifier | ExFiles\Box 124\2\ scan0075 | |
| Date | 18th March 1940 | |
| 1044 Rm{William Robotham - Chief Engineer}/JRS. c. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} Rm.{William Robotham - Chief Engineer}15/ML.18.3.40. This is to confirm that you are going to take up the alternative of a roller chain front end drive for B.60 engines, and order the necessary sprockets and chains, so that we can try them as an alternative should the morse chain again give trouble. Rm.{William Robotham - Chief Engineer} | ||