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).
Road test report for a P & R B.D.11 battery for a 40/50 model.
| Identifier | ExFiles\Box 172\3\ img064 | |
| Date | 4th April 1922 | |
| Road Test Report. X.3398 - P & R B.D.11 BATTERY FOR 40/50. This battery has run in all 2,880 miles on 1 EX car, and during this period has given consistent satisfaction, both as regards lighting capacity and cranking ability. The P & R method of securing the battery to the running board, incorporated in this battery, is considered a satisfactory method. Sgd. G.W.Hancock. | ||