Diagram indicating the location of previous breakages on a pipe connection.
| Identifier | ExFiles\Box 86\5\ scan0137 | |
| Date | 11th April 1935 guessed | |
| PREVIOUS BREAKAGES | ||
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).