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).
The weights of Vinet and De-oin wheels.
| Identifier | ExFiles\Box 3\3\ 03-page018 | |
| Date | 17th May 1911 | |
| S.K. N° 189 (Rev). (W.T. 12056.) 10/13. 1,000 3400 N Hein 2200 1200 Weights. Vinet. Wheels. Reported to Barnington 17/5/11 tested by Godden, C.D. from notes 16/5/11 Vinet front 54 lbs De-oin front. 32 1/2 lbs Vinet rear 68 1/2 lbs De-oin rear 52 1/2 lbs No internal bit parts, &c ER 17/5/11 | ||