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).
Requesting the order of D.T.D.134 standard reference fuel for knock rating tests.
| Identifier | ExFiles\Box 27a\4\ Scan052 | |
| Date | 19th January 1933 | |
| To Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Yng. 8128 Hs{Lord Ernest Hives - Chair}/Yng.4/MJ.19.1.33. D.T.D.134 Standard Reference Fuel. It has been found necessary to have a standard reference fuel in the Works for knock rating tests. Will you please therefore order from Messrs. Shell Mex. & B.P. Ltd., 250 galls. of D.T.D.134 in barrels. It would be advisable to ask them to make sure that this is barreled up from the same bulk supply. In addition will you please ask them to mark the barrels distinctly and advise us as to what the markings are. Hs{Lord Ernest Hives - Chair}/H.R.Young. | ||