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).
Blueprint R.R.Sch.972 for a revised Oil Plug and Oil Level Gauge for the Bentley Dynamo Tachometer Drive.
| Identifier | ExFiles\Box 168a\3\ img316 | |
| Date | 1st September 1936 | |
| c. Hs{Lord Ernest Hives - Chair}/Wst. 86142. BY/RD.3/B.1.9.36. Bentley Dynamo. We hand you herewith, blue print of R.R.Sch.972, showing the revised Oil Plug and Oil Level Gauge for the Tachometer Drive on the above Dynamo. This is to replace the temporary scheme, to prevent oil leakage on th the Commutator. BY/[signature] | ||