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).
Distillation and specific gravity test results for a petrol sample from The British Petroleum Co.
| Identifier | ExFiles\Box 76\3\ scan0127 | |
| Date | 25th November 1920 | |
| R.R. 235a (100 T) (S.G. 648, 19-2-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2618 25/11/20. SH Hs{Lord Ernest Hives - Chair} Re Sample of Petrol submitted from The British Petroleum Co.. Distillation:- Boiled at 42.5°C. First distillate over at 45°. The first 15ccs appeared to be slightly cloudy. STAMP: Hs{Lord Ernest Hives - Chair} NOV 27 1920 RECEIVED 80°C---------15% distilled over. 85°C---------24% -do- 90°C---------32.5% -do- 95°C---------35.5% -do- 100°C--------39.8% -do- 105°C--------45.5% -do- 110°C--------54.5% -do- 115°C--------60.5% -do- 120°C--------67.0% -do- 125°C--------72.5% -do- 130°C--------76.5% -do- 135°C--------80.5% -do- 140°C--------83.0% -do- 145°C--------85.5% -do- 150°C--------88.0% -do- Specific Gravity:---.730 Rectification Test:- Satisfactory This appears to be a good petrol. B.P. range reasonable & starting at a low enough temperature. 45°C HC | ||