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).
Requesting viscosity figures for attached samples.
| Identifier | ExFiles\Box 76\4\ scan0217 | |
| Date | 1st August 1927 | |
| To H1. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X1434 X2465 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}2/LG22. 8.27. Will you please give us viscosity figures for the attached samples :- Sperm ........ 30°c 20°c 10°c Motorine 'B'. 30°c 50°c 70°c Iso-Vis...... 40°c 60°c 80°c P4.Mineral... 30°c 50°c 70°c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||