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 casting and introduction of an overdrive gearbox for the Bentley 'M' series.
| Identifier | ExFiles\Box 86\4\ scan0152 | |
| Date | 25th November 1937 | |
| BY/CRL.{C. R. Lisson} c. Da.{Bernard Day - Chassis Design} c. Rm.{William Robotham - Chief Engineer} c. RHC.{R. H. Coverley - Production Engineer} 228 BY/Mtn30/N.25.11.37. Re: Bentley - Overdrive Gearbox. The Works have informed us no gearboxes have yet been cast for 'M' series, therefore, the overdrive box (not gears) could be introduced at the commencement of 'M' series, providing instructions are issued immediately. Will you therefore please issue the necessary instructions as soon as possible. Handwritten notes: Pm - Overdrive casting is being instructed for M Casting & works begins about Jan 9 Delivery of casting will be instructed later BY/Mtn. GM | ||