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).
To the laboratory requesting viscosity figures for a sample of Mobiloil 'E' oil.
| Identifier | ExFiles\Box 76\4\ scan0215 | |
| Date | 27th September 1926 | |
| * x1434 X.1434 x235 To Hl. Laboratory. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}5/LG27.9.26. We are sending you a sample of Mobiloil 'E' oil. We should be obliged if you could supply us with figures for the viscosity of this oil at - 80ºF, 60ºF and 40ºF.{Mr Friese} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||