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 of a 3 1/2 Litre SS cylinder block.
| Identifier | ExFiles\Box 126\5\ scan0143 | |
| Date | 8th March 1938 guessed | |
| 3 1/2 LITRE SS.{S. Smith} CYLINDER BLOCK., SS{S. Smith} 4., 11 5/16", 11/16", 3/4", 1/2", 22 HOLES 1/4" DIA., 1.875, 4 3/8", 15/16", .312 DIA., 4 3/4", 15/16", 2 3/4", 1/8", 15/16", 2 3/4", 15/16", 2 11/16", 4.000, FRONT, 2 1/4", 61/64", 7/16", 3/8", 1 1/8", .475, 1/2", 1 1/16", .250 | ||