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).
Comparative blueprint of a standard Kestrel cylinder liner and an improved type with a stiffened skirt.
| Identifier | ExFiles\Box 178\4\ img052 | |
| Date | 27th April 1932 guessed | |
| KESTREL CYLINDER LINERS. COMPARATIVE BEDDING OF STANDARD AND IMPROVED TYPE. STANDARD LINER - E.30298. LINER - Ex.7890. WITH STIFFENED SKIRT, AND SEMI-CIRCULAR RUBBER GROOVE | ||