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).
Technical drawing detailing a modification to a carburettor body, part number 3459.
| Identifier | ExFiles\Box 121\4\ scan0203 | |
| Date | 25th August 1938 guessed | |
| 1.5625 1.250 .950 1.075 UNALTERED SHADED AREA DELETED AND SHAPE MODIFIED MODIFICATION TO CARB. BODY - PART No. 3459 | ||