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).
List of carburetter parts received on loan from Messrs. Claudel Hobson.
| Identifier | ExFiles\Box 42\3\ Scan065 | |
| Date | 17th December 1926 | |
| X.3841 17.12.26. Received from Messrs. Claudel Hobson on loan per Mr. Davey :- 4 Chokes. 4 slow running jets. 10 main jets. 4 power jets. 2 carburetters - AV-48. ------------------------- | ||