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 components with associated reference numbers and modification details.
| Identifier | ExFiles\Box 71\3\ scan0197 | |
| Date | 10th December 1925 | |
| .2. RHC{R. H. Coverley - Production Engineer}4/BW. 10.12.25. -Water Pump & Throttle Gov: To L.O.P. E.72183. -Ignition Gov: & Dist: Drive Exclusion of Crankchamber gases to LeC 2121(Sch.I.) otherwise to L.O.P. E.72657. -Water Pump To L.O.P. E.70527(Lion Packing) -Oil Pump To L.O.P. E.72859. Oil Pump Drive To L.O.P. E.71161. Wheelcase & Gears To L.O.P. E.72662. Water Connections Water Pumps & Pipes with corruageted instead of plain connection - BY/SS{S. Smith}6/DB.{Donald Bastow - Suspensions} 27.8.25. otherwise to L.O.P. E.72762. Oil Fittings. To L.O.P. E.71401. Oil Filler. To L.O.P. E.71157. Oil Sump Indicator To L.O.P. E.71521. Oil Relief Valve. To L.O.P. E.72843. Wire Fittings. To L.O.P. E.71200. Exhaust Fittings. To L.O.P. E.73032. -contd- | ||