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).
Weight specifications for a Packard Road Wheel and its components.
| Identifier | ExFiles\Box 127\1\ scan0269 | |
| Date | 2nd May 1936 | |
| FILES. X1086 2.5.36. Packard Road Wheel. Tube - 3 lbs. Tyre - 29 " Rim - 24 " Complete 56 lbs. Hs{Lord Ernest Hives - Chair}/F.Dodd. | ||