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).
The revised Dynamo Brush Holders for all chassis, referencing a new blueprint.
| Identifier | ExFiles\Box 166\1\ img083 | |
| Date | 15th September 1936 | |
| 6093. To M.I.O. c. Hs{Lord Ernest Hives - Chair}/Wst. BY/RD.3/B.15.9.36. Dynamo Brush Holders - All Chassis. We hand you herewith Blue print of R.R.Sch.988, showing the revised brush holders, based upon Expl. tests of the previous design R.R.Sch.904. Details of these parts will be issued in due course. BY/RD. | ||