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).
Introduction and experimental production of the Overdrive Gearbox for the Phantom III.
| Identifier | ExFiles\Box 94\2\ scan0307 | |
| Date | 10th January 1938 | |
| To BY.{R.W. Bailey - Chief Engineer} & Rm.{William Robotham - Chief Engineer} From RHC.{R. H. Coverley - Production Engineer} c. to Hs.{Lord Ernest Hives - Chair} GRY{Shadwell Grylls} RHC.{R. H. Coverley - Production Engineer}1/MJ.10.1.38. 328 OVERDRIVE GEARBOX - PHANTOM lll. The Overdrive Gearbox for Phantom lll is to be introduced on the 101st. Chassis in 'D' Series, due to test week ending July 16th. In order to obtain all necessary information on machine problems, quietness of boxes, etc., we are arranging to immediately produce twelve gearboxes for experimental production. If any alterations are contemplated to the existing details we would appreciate these being issued immediately. RHC.{R. H. Coverley - Production Engineer} [Signature] | ||