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).
Hand-drawn sketch with dimensions for a spring eye and rebound clip on a spring.
| Identifier | ExFiles\Box 42\3\ Scan199 | |
| Date | 10th August 1926 guessed | |
| No 4 LEAF .625 .800 1.25 1.875 WIDTH AT SPRING EYE DETAILS OF SPRING EYE REQD 1.00 .750 No 1. LEAF REBOUND CLIP ON SPRING | ||