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).
Instruction note for fitting a hardened sun wheel and planet to an Eagle IX engine.
| Identifier | ExFiles\Box 43\1\ Scan112 | |
| Date | 20th January 1925 | |
| RRG (250T) (DB{Donald Bastow - Suspensions} 529 -4-25) MP 315021 ROLLS-ROYCE LTD. INSTRUCTIONS. X. 3989 To HS{Lord Ernest Hives - Chair} 192 An Hardened Sun Wheel & Planet were fitted to Eagle IX No 456 Engine Jan 20th 1925 Signed This Sheet must be filed on completion of the work. | ||