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 order of piston rings from Wellworthy Piston Rings Ltd.
| Identifier | ExFiles\Box 148\1\ scan0003 | |
| Date | 10th November 1938 | |
| 1256. To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} c. G/JWH. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}11/MH.{M. Huckerby}10.11.38. Will you please order from Wellworthy Piston Rings Ltd., Lymington, HANTS. four sets of piston rings as follows:- 24 off EB.4382 Compression ring. 24 off EB.4383 " " 24 off EB.4384 Scraper ring. in accordance with our letter ref. Rm{William Robotham - Chief Engineer}/CTS{C. Trot Salt - Carburation},10/MH.{M. Huckerby}10.11.38. O/N.52469. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||