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 a report on the testing of a Duff Jack.
| Identifier | ExFiles\Box 10\6\ 06-page33 | |
| Date | 1st August 1920 | |
| X 659 To EG. From DA.{Bernard Day - Chassis Design} (crossed out) J.A.C. (handwritten) DA{Bernard Day - Chassis Design}6/CBS. 8.20. V.3/78. RE DUFF JACK. X 659 We have not had a report on the Duff Jack that you are testing out. I wonder whether you have arrived at any conclusion as yet, regarding it. DA.{Bernard Day - Chassis Design} | ||