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 diagram for a Solex Diffuser Tube with dimensions.
| Identifier | WestWitteringFiles\T\2January1929-June1929\ Scan108 | |
| Date | 5th February 1929 guessed | |
| [ "SOLEX DIFFUSER TUBE", ".287 DIA", ".218 DIA", "4 HOLES .039 DIA", "4 HOLES .050 DIA", "2 HOLES .050 DIA", "2 HOLES .050 DIA", ".115 DIA.", "1.550", ".700", ".300", ".750" ], | ||