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 report on the properties of Price's Modified Motorine Amber 'A' oil.
| Identifier | ExFiles\Box 144\1\ scan0193 | |
| Date | 19th November 1930 | |
| RECEIVED 1930 NOV 19 By: Regd. c. Ws/Rm.{William Robotham - Chief Engineer} x967. Laboratory. Report No. L.2019. Hl.2/DM.{D. Munro}19.11.30. Re. Price's Modified Motorine Amber "A". The cold setting point of this oil is lower than that of standard Amber "A". The viscosity figures are also very slightly lower. Otherwise there seems little change in the character of the oil. Hl. HE | ||