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).
EFC to Roy requesting an order for Osram lamp bulbs.
| Identifier | ExFiles\Box 166\4\ img086 | |
| Date | 6th January 1931 | |
| X6089 Roy.{Sir Henry Royce} from EFC. EFC3/AD6.1.31. Will you please order the following Osram lamp bulbs :- 12 S.7126 12/14 volts 4 watt S.B.C. cap centre contact. O/54733 EFC. | ||