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).
Instructing the fitting of new bolts, distance pieces, and spherical washers to the exhaust system on Wraith & Bentley experimental cars.
| Identifier | ExFiles\Box 99\1\ scan0184 | |
| Date | 25th April 1939 | |
| 423 + 623. To HPC. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}3/JH.25.4.39. WRAITH & BENTLEY EXHAUST SYSTEM. In accordance with By's instructions contained in By/CG.1/FW.21.4.39. will you please arrange for all Wraith and Bentley experimental cars to have the new bolts, distance pieces and spherical washers fitted to the exhaust manifold and downtake pipe joint. Bolt KB.224. Spherical washer F.50175. Distance piece FW.1010. The bolts should be fitted from the underside of the flange as per By/CS's memo. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||