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 report comparing the properties of Motorine 'C' and Vacuum BB oils.
| Identifier | ExFiles\Box 144\1\ scan0105 | |
| Date | 29th December 1924 | |
| Hs.{Lord Ernest Hives - Chair} X967 H15/EA301224 Laboratory. Re Sample of Motorine "C" and Vacuum BB Oils submitted 29.12.24. Prices "C" BB. Fatty Oil content ----- 4.7% ----- 0.80% Total acidity ----- 0.3% ----- 0.17% Mineral acids ----- Negligible ----- Negligible. Hl. HE | ||