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 request to order three different types of Osram lamp bulbs.
| Identifier | ExFiles\Box 166\4\ img112 | |
| Date | 29th June 1931 | |
| X6089 Roy.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/GJ. c. Expl. Stores. Hs{Lord Ernest Hives - Chair}/GJL/AD29.6.31. Will you please order the following Osram lamp bulbs :- 12 12-14 volt 4 watt S.B.C. cap, centre contact S.7126 12 12-14 " 9 " " " double " S.7172 12 6-7 " 3 " screw cap S.7584 Received 7/7/21. Hs{Lord Ernest Hives - Chair}/GJ. | ||