Blueprint diagram illustrating a modification to an existing breather pipe assembly.
| Identifier | ExFiles\Box 132\3\ scan0111 | |
| Date | 10th August 1938 guessed | |
| BREATHER PIPE, RUBBER WASHER, UNDERSHIELD, VIEW FROM REAR, VIEW FROM SIDE, 1 1/2" DIA. APERTURE FOR, STANDARD BREATHER PIPE, MODIFICATION TO EXISTING BREATHER. | ||
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).