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).
List of weights for various components of the Wraith chassis.
| Identifier | ExFiles\Box 10\5\ 05-page029 | |
| Date | 12th January 1938 guessed | |
| 658. 1044 WRAITH CHASSIS WEIGHTS. Dynamo. 23 lbs. 7 ozs. Regulator. 1 lb. 15 ozs. Switchbox. 2 lbs. 7 ozs. Instrument Board. 7 lbs. 11 ozs. (including thermometer tube and bulb) Battery Box. 10 lbs. 14 ozs. Dist. Board and Cutout. 2 lbs. 8 ozs. Exide battery 6 X.C.M.R.11-1 ML 72 lbs. Dagenite " 6 HZD.11-S 67 1/2 lbs. Coil. 1 lb. 10 ozs. Distributor (Delco) 3 lbs. 12 ozs. " (R.R.) 3 lbs. 4 ozs. Ignition cables and tubes. 1 lb. 12 ozs. Starter motor. 22 lbs. 6 ozs. | ||