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 about a drop in main brush spring pressure and a report on component R.B.3.
| Identifier | ExFiles\Box 50\5\ Scan365 | |
| Date | 20th May 1925 guessed | |
| RR 238 (150 BKS.) (BH57-20-8-20.) MP 224388 ROLLS-ROYCE LTD. INSTRUCTIONS. To ________ Order No.________ Customer's No. 2 19__ The main brush spring pressures have fallen from about 4.2 lbs to 1.0 lb and the control from .75 lb to .5lb R.B.3 This was fitted to 3GT in July last. It has 2" brushes and was reported in EWT/HS {Lord Ernest Hives - Chair} 57/T30-III-25 as being satisfactory, but as having rather worn brushes. The mileage run is not known. Signed A.A. This Sheet must be filed on completion of the work. | ||