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 associated reference numbers.
| Identifier | ExFiles\Box 169\1\ img022 | |
| Date | 13th June 1929 | |
| (3) Oil Pump & Drive - L.O.P. E.77662. Oil Holes in Gears & Shaft to V.486. Wheelcase & Fittings - L.O.P. E.78581 - LeC 2631. New Wheelcase E.78474 to suit Vacuum Pump to LeC 2631. Water Connections - L.O.P. E.77665. Oil Fittings - L.O.P. E.77666. Vacuum Pump & Dynamo Drive fed from L.P. System to LeC 2631 (Not the Inter: as shewn on LeC 2660). Oil Filler - L.O.P. E.77667 - LeC 2637. New inclined Oil Filler E.78776 - LeC 2637. Oil Level Indicator - L.O.P. E.77669 - LeC 2672. Modified Graduations. Oil Filter - L.O.P. E.77668 - LeC 2643. Cork Gland Packing E.78755. Modified Oil Filter Casing to LeC 2643. Oil Relief Valve - L.O.P. E.77670. Wire Fittings - L.O.P. E.77671. Fan - L.O.P. E.77672. Contd. | ||