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).
List of engine component modifications and their corresponding reference numbers.
| Identifier | ExFiles\Box 72\2\ scan0155 | |
| Date | 25th September 1925 | |
| -2- RHC{R. H. Coverley - Production Engineer}10/BE. 25.9.25. X.8090 - Camshaft To L.O.P. E.70893. X.8100 - Mag. & Dy.{F R Danby}Drive To L.O.P. E.73297. X.8110 - Water Pump Drive & Throttle Gov: To L.O.P. E.72183. X.8130 - Idler Gear To L.o.P. E.71158. X.8140 - Ignition Gov.& Dist: Drive Modified Ignition to LeC 2121(Sch.2). otherwise to L.O.P. E.72657. X.8150 - Water Pump To L.o.P. E.70527 (Lion Packing). X.8160 - Oil Pump To L.O.P. E.72859. X.8165 - Oil Pump Drive To L.O.P. E.71161. X.8170 - Wheelcase & Fittings. To L.O.P. E.72662. X.8180 - Water Connections Water Pumps & Water Pipes with corrugated instead of plain connections - BY/SS{S. Smith}6/DB.{Donald Bastow - Suspensions} 27.8.25. otherwise to L.O.P. E.72762. X.8190 - Oil Fittings. To L.O.P. E.71401. X.8190 - Oil Filler. To L.O.P. E.71157. X.8200 - Oil Sump Indicator. To L.O.P. E.71521. | ||