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).
Blueprint of a spoked circular component.
| Identifier | ExFiles\Box 170\1\ img027 | |
| Date | 25th October 1938 | |
| DRAWN BY C N B CHECKED BY APPROVED BY DATE 25.10.38 PAUL QUIN IPSWICH RS.{Sir Henry Royce's Secretary} C.N.B. 25. | ||