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).
Requesting the trial production of a new Peregrine Oil Sump Drain Cock with a combined oil level indicator.
| Identifier | ExFiles\Box 175\6\ img021 | |
| Date | 3rd January 1933 | |
| To BT.{Capt. J. S. Burt - Engineer} from E/JNR.{Charles L. Jenner} c. WSP. Hs.{Lord Ernest Hives - Chair} 0 129. E/JNR.{Charles L. Jenner}4/HP.3.1.33. re Peregrine Oil Sump Drain Cock. Please receive herewith: LeC.3322 - showing the design for the above with a combined oil level indicator. This is in itself a complete unit and is designed to bolt on to the air cooled ribbed bottom half crankcase. Will you please have several of these made for trial. E/JNR.{Charles L. Jenner} | ||