Pencil sketch of two views of a mechanical joint with handwritten annotations.
| Identifier | ExFiles\Box 11\5\ 05-page088 | |
| Date | 30th March 1934 guessed | |
| grit gets down at this joint requires a shield | ||
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).