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).
The analysis of two petrol samples to test filter effectiveness.
| Identifier | ExFiles\Box 20\6\ Scan097 | |
| Date | 1st February 1927 | |
| To Hl. from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} x985 Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}2/LG3.2.27. X985 We are sending to you two samples of petrol containing foreign matter. The object of the test is to determine the quantity of foreign matter which is contained in the two samples and the approximate dimensions of the largest particles under the microscope. The results will be used for judging the effectiveness of two filters. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||