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).
Request for a comparative analysis of two used engine oil samples, one from a standard S.S. engine and the other from a Chrysler.
| Identifier | ExFiles\Box 32\4\ Scan278 | |
| Date | 6th April 1929 | |
| To HL. from hs{Lord Ernest Hives - Chair}/AJL. X1588 Hs{Lord Ernest Hives - Chair}/AJL1/LG6.4.29. ENGINE OILS. We are handing you herewith two samples of engine oil - one taken from a standard S.S. engine after 2300 miles, the other from a Chrysler car engine after 2900 miles. The Chrysler engine is fitted with a Purolator oil cleaner. Could you give us a comparative analysis of the two oils as regards foreign matter in the form of carbon or other dirt, and dilution by petrol from the cyl. walls. hs{Lord Ernest Hives - Chair}/A.J.Lidsey. | ||