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).
Laboratory analysis comparing the chemical composition of Redline and Shell-Mex motor spirits.
| Identifier | ExFiles\Box 20\6\ Scan077 | |
| Date | 20th May 1925 guessed | |
| Hs{Lord Ernest Hives - Chair} for Mr.Robotham. Exptl.Dept. H17/EA16125 Laboratory. Re Samples of Redline Motor Spirit and Shell-Mex Motor Spirit Analyses Redline Shell-Mex. Olefines and Di-olefines 6.0% --- 5.0% Aromatic Hydro-carbons 7.0% --- 15.6% Paraffins & Cyclo-paraffins 87.0% --- 79.4% H1. HE [Stamp text]: RECEIVED 16 JAN 19?? | ||