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).
Confirming a change from ball distributor bearings to plain distributor bearings for Watford sleeveless magnetos.
| Identifier | ExFiles\Box 65\3\ scan0054 | |
| Date | 5th July 1927 | |
| X7791 5.7.27. WATFORD SLEEVELESS MAGNETO. It has been arranged, in conversation with Mr. Allen of Messrs. North's, today, that further sleeveless magnetos received by us will have plain distributor bearings instead of ball distributor bearings. EFC. | ||