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-reference note for correspondence on the Goshawk III brush and commutator system.
| Identifier | ExFiles\Box 50\5\ Scan393 | |
| Date | 30th September 1924 guessed | |
| X4333 For further correspondence see X.5670 - Gos.III Brush & Comm. system. EFC. | ||