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).
Comparative analysis of Aero Mobiloil Red Band and Green Band specifications.
| Identifier | ExFiles\Box 145\1\ scan0136 | |
| Date | 3rd January 1935 guessed | |
| AERO MOBILOIL RED BAND. AERO MOBILOIL GREEN BAND. Specific Gravity .882 .888 Pour Test Fls.{F. Llewellyn Smith - Frames}@ 0°F 0°F Open Flash Point 505 530°F Closed Flash Point 475°F 510°F Fire Point 570°F 595°F Redwood Viscosity @ 70°F 3245" 5240" @ 100°F 1051" 1545" @ 140°F 327" 460" @ 200°F 100" 124" Colour 40 80 Compound Nil Nil SO₃ 0.002% 0.002% Conradson 0.22% 0.28% R.Coke before oxidation 0.23% 0.30% R.Coke after oxidation 0.72% 0.71% Inc.Viscosity 1.34 times 1.13 times Poises @ 100°F 2.36 3.50 Poises @ 200°F 0.202 0.258 This meets the Air Ministry DTD.109 Specification. | ||