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 alter the Spectre and Wraith gearboxes by increasing the number of bolts serving as dowels.
| Identifier | ExFiles\Box 94\1\ scan0048 | |
| Date | 24th October 1934 | |
| X6694 # 328 To Dr. from HDY.{William Hardy} c. Wor.{Arthur Wormald - General Works Manager}E Ms. Des. RHC.{R. H. Coverley - Production Engineer} HDY.{William Hardy}3/HP.24.10.34. SpectreCodename for Phantom III and Wraith Gearboxes. Will you kindly increase the number of bolts which serve as dowels from two to four and chamfer the ends of the fitting surface as we shew on N. Sch.4283 herewith. We should like this alteration made to the third SpectreCodename for Phantom III box. HDY.{William Hardy} | ||