Inlet part number 9177-B.
| Identifier | ExFiles\Box 10\5\ 05-page108 | |
| Date | 6th June 1934 | |
| No.6.A. 6.6.34. INLET 9177-B [Main body of text is illegible due to severe fading of the document.] | ||
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).