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).
Breakdown of weights for the components of a Bentley Clutch cartridge assembly.
| Identifier | ExFiles\Box 85\2\ scan0178 | |
| Date | 30th May 1935 | |
| To Hdy{William Hardy}: tn12 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}19/KW.30.5.35. Bentley Clutch - N.Sch.3948. Herewith the various weights of the bits comprising the clutch cartridge assembly :- Hexagon Cap 155.5 grms. Alum. Distance Piece 49.5 " Spring 125.3 " Inner Guide 37.0 " Rivet 12.0 " Total 379.3 " Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||