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).
Instruction sheet detailing brush wear and spring pressure measurements.
| Identifier | WestWitteringFiles\K\November1923\ Scan64 | |
| Date | 6th November 1918 | |
| RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No Customer's No. Z The brush wear however is slightly more than with the normal spring pressures; being:- Positive, .022", Negative, .030", Control .0305". Signed J.{Mr Johnson W.M.} Allen This Sheet must be filed on completion of the work. | ||