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).
Request to place an official order with Zenith Carburetter Co. Ltd. for bypass jets and torsion springs.
| Identifier | ExFiles\Box 122\2\ scan0118 | |
| Date | 10th December 1936 | |
| 1633 To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe}14/JH.10.12.36. Will you please send an offical order for the following, to the Zenith Carburetter Co.Ltd. :- 9 Byepass jets size .055" Order No. 54317. 6 torsion springs P.17068 for alteration. Order No.54305. Rm{William Robotham - Chief Engineer}/G.Ratcliffe. | ||