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).
Table of remarks on potential changes to vehicle components and their associated costs.
| Identifier | ExFiles\Box 161a\2\ scan0235 | |
| Date | 23th May 1938 guessed | |
| -4- DESCRIPTION. | REMARKS. --- | --- Automatic Ignition | No design available. Wraith Wheel Movement - To be standardised at 1st. chassis in "E" Series. (std: Sheet | Saving £1.1.8d. per Chassis. Tool cost £600.0.0d. after allowing for Dies already produced by HPS.{Horace Percy Smith - Experimental Factory Mgr} Hardy Spicer Prop Shaft - replacing R.R.Type. | Hardy Spicer Shaft costs £3.11.0d. as compared with £10.19.0d. for present R.R. Shaft. Saving per chassis £7.8.0d. Rear Hub Driver - with larger inner serrations. | Tool cost approx: £20.0.0d. Factory cost of chassis should be slightly reduced Oil Feed to ex Suspension limits. | Bijur feed with Drip pipe to prevent squeaks at present encountered with dry suspension limits. Factory cost increased slightly. No appreciable tool cost. Handwritten notes: OUTSIDE GUARANTEE TOOL SHOULD BE £150 | ||