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).
Plan view drawing of the 3 1/2 Litre S.S. cylinder block.
| Identifier | ExFiles\Box 126\5\ scan0136 | |
| Date | 31th August 1938 guessed | |
| 3 1/2 LITRE S.S. CYLINDER BLOCK. SS{S. Smith}1. PLAN VIEW. 6" 3 9/16" 3 1/16" 3 1/16" 3 1/16" 3 1/16" 3 9/16" .300 APPROX THICKNESS OF METAL ROUND BORE. 5/16 RAD: 3 1/2" FRONT. 1/2" 15/16" 1 1/8" 3 7/16" 1 1/16" 3/4 DIA: 2 3/16" 1 1/4" 4 7/8" 3/4 DIA: 3 5/8" 5/8 DIA: 3 13/16" 5/8 DIA: 3 13/16" 5/8 DIA: 3 5/8" 5/8 DIA: 2 5/8" 5/8 DIA: 1 7/8" | ||