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).
Confirming the standardisation of shutters for the Phantom III bonnet side panels.
| Identifier | ExFiles\Box 92\6\ scan0281 | |
| Date | 5th March 1937 | |
| E/Ev.{Ivan Evernden - coachwork} at W. Copy to Dev. " " Rm.{William Robotham - Chief Engineer} " " Dy.{F R Danby} " " RHC{R. H. Coverley - Production Engineer} " " RBS. F) 305. Hn.{F. C. Honeyman - Retail orders}18/MK.5.3.37. P.III Bonnets. Your Ref: E/Ev.{Ivan Evernden - coachwork}2/MN.5.3.37. We confirm having telephoned you this afternoon to the effect that Sg.{Arthur F. Sidgreaves - MD} agrees to the standardisation of the 25/30 H.P. pattern shutters in the side panels of the P.III bonnet when shutters are called for. No doubt you will see that the P.III chassis drawing which gives the length from top to bottom of the shutters is corrected. Hn.{F. C. Honeyman - Retail orders} Fde (signature) | ||