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).
Test and inspection report showing performance data and handwritten notes on the condition of a commutator and brush.
| Identifier | ExFiles\Box 50\5\ Scan321 | |
| Date | 29th August 1920 | |
| RR 238 (100 BKS) (SHS) 29-8-20.) MP 22435E ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. W.A.48(2) Customer's No. 19 Speed Volts Amperes 640 13.6 1.6 750 13.9 4.4 900 14.3 7.7 1200 14.75 11.2 1500 14.85 12.2 2000 14.75 11.3 The commutator is good, and the brush bedding satisfactory, with the exception that the main brush is burnt slightly on one edge. Signed H.E.W. This Sheet must be filed on completion of the work. | ||