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).
Autovac type AV.341 of a specific size for the 'Goshawk II'.
| Identifier | ExFiles\Box 40\4\ Scan037 | |
| Date | 9th September 1921 | |
| To HS.{Lord Ernest Hives - Chair} from DA.{Bernard Day - Chassis Design} X3579 DA{Bernard Day - Chassis Design}5/G1/9/9/21. X3579 RE "GOSHAWK II". Would you please send us the Autovac type AV.341 5 1/2" diameter by 6" deep, which is referred to in your memo HS{Lord Ernest Hives - Chair}4/LG22/8/21 as being the best size for "Goshawk II". The one we have here is 9" deep. [STAMP: RECEIVED SEP 8 1921] DA.{Bernard Day - Chassis Design} [Signature] | ||