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).
Modification to a selector guide shaft to prevent oil leaks using a split felt ring.
| Identifier | ExFiles\Box 126\2\ scan0103 | |
| Date | 27th March 1939 | |
| SLIGHT CLEARANCE HERE IS PREFERABLE TO FORCING THE COVER OFF ITS FACE. SPLIT FELT RING FORCED INTO GROOVE PD 28 MOD. TO SELECTOR GUIDE SHAFT TO PREVENT OIL LEAKS SCALE 1/1 B III B30 ETC ROLLS-ROYCE LTD. PRINT ROOM 27 MAR 1939 DERBY H/B 14.10438 | ||