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 detailing a modification to an engine connecting rod (con-rod).
| Identifier | ExFiles\Box 87\2\ scan0039 | |
| Date | 4th April 1935 | |
| [ "ROLLS-ROYCE, LTD.", "FILING ROOM", "4 APR 1935", "DERBY.", "B.V.51", "2.700 CTRS.", "OFF SIDE OF ENGINE", "1 HOLE DRILL .031 DIA.", "NEAR SIDE OF ENGINE", "ALL OTHER DIMENSIONS SEE E.B.1603/4", "SCALE 1/1", "MODIFICATION TO E.B.1603/4 CON-ROD", "[Illegible signature]", "24-4-35" ], | ||