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).
Weights of the B.50 and Silver Wraith frames.
| Identifier | ExFiles\Box 112\2\ scan0108 | |
| Date | 24th October 1938 | |
| COPY FOR FILES. 827 8 58 666 To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester} 24.10.38. FRAME WEIGHTS. Herewith as requested the weight of the B.50 and Silver Wraith frames. 2.B.50 Frame weight -300 lbs. Silver Wraith frame 318 lbs. without boxed X member. Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester} | ||