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).
The stamping of D.W.S. Jacks with the letter 'P' to identify correct sets from faulty ones.
| Identifier | ExFiles\Box 26\3\ Scan213 | |
| Date | 24th March 1933 | |
| LID{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} X3117 BY/Mtn14/N.24.3.33. Re: D.W.S. Jacks. Referring to Hs{Lord Ernest Hives - Chair}/Lid{A. J. Lidsey}6/KT.23.3.33, in order to make quite certain that the Jacks we are now fitting are the correct ones, we have arranged for the twelve sets in the Stores to be stamped with the letter 'P' on the operating shaft tube about 3" from the extreme end. When returning the faulty Jacks tothe makers will you please ask them to stamp the letter 'P' on the shaft tube after correction, also all new Jacks they supply should be stamped. We consider it necessary to stamp the Jacks until such time that all the faulty ones have been changed over. BY/Mtn. [STAMP: RECEIVED 25 MAR 1933] | ||