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).
Scheme detailing a modification to the Wraith III battery box.
| Identifier | ExFiles\Box 164\3\ img132 | |
| Date | 7th February 1938 | |
| c. Rm.{William Robotham - Chief Engineer} 6021 DA.{Bernard Day - Chassis Design}15/G.7.2.38. WRAITH III - BATTERY BOX. Please receive herewith the following scheme :- F.CD.470 Modification to Battery Box. The above scheme has been produced shewing a 25/30 HP. type of Battery Box fitted to Wraith, in order that the rear seat of the close coupled Saloons need not be moved forward 2.000 more than originally intended. For Limousine's and 4-door Saloons we should still retain the long shallow battery at present used on Wraith. This applies to the 1st six chassis only. [Handwritten notes:] For first 6 cars, when close coupled saloons bodies are fitted Battery to DW 559 M.R. 6XCKR-11-SL 25/30 type. Limousines and 4 door Saloons DW 211. DA.{Bernard Day - Chassis Design} GLZLD 13-S existing Wraith Battery. | ||