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).
Dispatch note confirming a slipper wheel centre has been sent by air mail to Paris.
| Identifier | ExFiles\Box 82\5\ scan0065 | |
| Date | 22th March 1937 | |
| 2000 Ruffing 22.3.37. WALLER, HOTEL DE FRANCE, CHATEAUROUX, INDRE, FRANCE. SLIPPER WHEEL CENTRE DESPATCHED PARIS AIR MAIL TODAY. GRYLLS. | ||