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 drawing of an Enots nipple with a filter, showing gauze, felt and plate components.
| Identifier | ExFiles\Box 5a\2\ 02-page241 | |
| Date | 24th March 1930 | |
| GAUZE PLATE G53803. FELT ENOTS NIPPLE WITH FILTER FHH. 24-3-30 | ||