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).
Supply difficulty of Michelin Jacks and requesting an opinion on the Duff Jack as a temporary alternative.
| Identifier | ExFiles\Box 37\3\ scan 061 | |
| Date | 6th June 1920 | |
| To Hs.{Lord Ernest Hives - Chair} from DA.{Bernard Day - Chassis Design} (crossed out) R.F.C. COPY. X.3175 DA{Bernard Day - Chassis Design}7/CB10, 6. 20. X.4054 (crossed out) RE "DUFF" JACK. X.3175 Sales have written saying that they are experiencing difficulty in getting Michelin Jacks, and they would like something to fall back upon temporarily until the supply of the former can be resumed. Under the circumstances, if you have formed any definite opinion about the Duff Jack, it would be of use to them. DA.{Bernard Day - Chassis Design} [Stamp: REC'D JUN] | ||