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).
Listing the recommended lubricants for the Phantom III model.
| Identifier | ExFiles\Box 141\2\ scan0131 | |
| Date | 21th April 1936 | |
| To Mx.{John H Maddocks - Chief Proving Officer} X 1184 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}5/KW.21.4.36. Phantom III Lubricants. Replying to Mx.{John H Maddocks - Chief Proving Officer}16/T.20.4.36. The latest information we have is - Engine, Gearbox & Bijur Tank - Motorine 'C'. Rear Axle - Castrol Hi-Press. Shock Dampers - Same as Phantom II. Propellor Shaft Joints etc. - Same greases as Ph.II. D.W.S. Jacks - Lockheed brake fluid. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||