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).
Note on the condition of a pinion, with mileage and temperature data from tests on various oils.
| Identifier | ExFiles\Box 84\4\ scan0280 | |
| Date | 17th August 1937 guessed | |
| 2 At state, & if anything the pinion is more polished & better condition than at the start. The miles run on each brand of oil, & temperatures, are recorded below. RR EP{G. Eric Platford - Chief Quality Engineer} oil total miles 283. RR EP{G. Eric Platford - Chief Quality Engineer} 1st consignment " 345 Vacuum Hypoid gear lubricant 192 820 Highest temperature recorded 152 °C. H.N. Rose Packham AXLE No ? AXLE RATIO 10X41. | ||