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 specifications, part numbers, and modifications.
| Identifier | ExFiles\Box 72\2\ scan0227 | |
| Date | 29th November 1926 | |
| -2- RHC{R. H. Coverley - Production Engineer}12/BE.29.11.26. Camshaft To L.O.P. E.70893. Magneto & Dy.{F R Danby} Drive. Modified Mag: & Dy.{F R Danby} & Couplings E.74889-90 - E.74906. Water Pump Drive & Throttle Governor To L.O.P. E.72183. Idler Gear To L.O.P. E.71158. Ignition Governor Improved Oil Relay Piston using Metal packing rings in accordance with LeC 2242-4. Water Pump Standard Water Pump to L.O.P. E.70527. Oil Pump To L.O.P. E.72859. Oil Pump Drive To L.O.P. E.71161. Wheelcase & Fittings To L.O.P. E.72662. Water Connections Jubilee Clips fitted to all Water Joints 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 Latest Oil Relief Valve in accordance with LeC 2257. | ||