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).
Cross-section diagram of a lubricator with dimensional modification notes.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan78 | |
| Date | 15th October 1925 | |
| LUBRICATOR TO N. SCH: 1869 DUST COVER CUT AWAY IF NECCESSARY INCREASED TO 1.400 THIS SECTION REDUCED TO .075 ROLLS-ROYCE, LIMITED PRINT ROOM. 15 OCT 1925 DERBY. | ||