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).
Analysis of a sample of petrol containing 11.5% Benzole, detailing distillation and chemical composition.
| Identifier | ExFiles\Box 20\6\ Scan076 | |
| Date | 16th January 1925 guessed | |
| Hs{Lord Ernest Hives - Chair} for Mr.Robotham H15/EA16125 .Laboratory. Exptl. Dept. Re Sample of Petrol containing 11.5% Benzole. Distillation :- Specific Gravity .712 Initial Boiling Point ---- 38°C Final Boiling Point -----183°C Residue ------------- 1.5% Total distillate ------ 97.5% Loss ----------------- 1.0% Temperature °C % Distillate. 70 4.0 80 18.0 90 38.0 100 58.5 110 73.0 120 81.0 130 86.5 140 90.5 150 92.0 160 94.0 170 95.5 Analysis. Olefines and Di-olefines --- 8.8 % Aromatic Hydro-carbons ----25.2 % Paraffins and Cyclo-paraffins 66.0 % H1. R | ||