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 for a Slow Running Air Tube for a Kestrel S engine.
| Identifier | ExFiles\Box 179b\2\ img032 | |
| Date | 20th October 1932 | |
| Hs.{Lord Ernest Hives - Chair} 725. TUBE E 33088 BUT 3.775 LONG 6 HOLES .046 DIA .055 DIA E33089. 1.600. 3.775" SLOW RUNNING AIR TUBE. KESTREL. S. ROLLS-ROYCE, LTD. PRINT ROOM OCT 20 1932 DERBY. 4 OFF. | ||