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).
From R. to C.J. regarding car performance and fuel mixtures, specifically a proposed mix of petrol and lamp oil.
| Identifier | WestWitteringFiles\F\February1921\ Scan40 | |
| Date | 2nd February 1921 | |
| To C.J. from R.{Sir Henry Royce} -2- R12/G15/2/21 Contd. me, but I found it definitely less expensive, and ran my car more perfectly than anything else, i.e. starting good, no detonations, m.p.g. good, distribution good. Now I must, (as soon as we have made the modifications), try to use a mixture of petrol and lamp oil so as to be like the Americans. R.{Sir Henry Royce} | ||