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 report on a re-sample of petrol, detailing its specific gravity and distillation points.
| Identifier | ExFiles\Box 20\6\ Scan045 | |
| Date | 3rd March 1921 | |
| R.R. 224a (100 T) (S.H 159. 11-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2800 X985 Hs.{Lord Ernest Hives - Chair} X985 H15/EB3.3.21. Laboratory. Re sample of Petrol submitted 2.3.21. Specific Gravity .757 Boils at 85 C. First distillate over at 91.5 C. 2.0% distilled over at 95°C. 103°F 7.5% " " " 100°C. 212°F 13.5% " " " 105°C. 221° 20.5% " " " 110°C. 230° 28.5% " " " 115°C. 239° 36.0% " " " 120°C. 248° 44.0% " " " 125°C. 257° 52.5% " " " 130°C. 266° 57.5% " " " 135°C. 275° 64.0% " " " 140°C. 284° 70.0% " " " 145°C. 293° 75.0% " " " 150°C. 302° 78.5% " " " 155°C. 311° 82.0% " " " 160°C. 320°F 85.0% " " " 165°C. 329° 87.5% " " " 170°C. 338° 89.0% " " " 175°C. 347° 90.0% " " " 180°C. 356° 91.5% " " " 185°C. 365° 93.0% " " " 190°C. 374° 94.0% " " " 195°C. 383° RECEIVED MAR 4 1921 N.B. First 20ccs distillate were very cloudy. Hl. HE | ||