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).
Internal memorandum requesting an order for Sphinx brand side and tail lamp bulbs.
| Identifier | ExFiles\Box 71\2\ scan0007 | |
| Date | 20th August 1925 | |
| To Wd.{Mr Wood/Mr Whitehead} from EFC. X8800 EFC2/T20.8.25. X.8800. RE LAMP BULBS. Would you kindly order up for use in this Dept. 1 doz. Sphinx L.71 12 volt side lamp bulbs.Double contact. 1 doz. " L.72 12 volt tail lamp bulbs. " " (Hneed) Received EFC. | ||