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 of a long mechanical component, possibly a connecting rod, with detailed dimensions.
| Identifier | ExFiles\Box 179\3\ img001 | |
| Date | 29th February 1932 guessed | |
| .750", .900", .445, RAD., 7.500 CRS., BOSSES, .575 DIA., 2.080 DIA., 1.100", .500", ALFA-ROMEO | ||