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).
Recommendation for Vacuum Motor Grease No. 2 for needle type bearings on 20/25 & 40/50 HP chassis universal joints.
| Identifier | ExFiles\Box 15\4\ Scan091 | |
| Date | 30th May 1934 | |
| X7340 To By/Cgh.{W Clough} Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}13/KW.30.5.34. 20/25 & 40/50 HP. Chassis Universal Joints. With the introduction of needle type bearings on the above cars, the Vacuum Motor Grease No. 2 should be recommended. Hs{Lord Ernest Hives - Chair}/G.W.Hancock. | ||