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 specific Osram bulbs.
| Identifier | ExFiles\Box 166\4\ img080 | |
| Date | 1st December 1930 | |
| X6089 Roy.{Sir Henry Royce} from EFC. EFClo/ADl1.12.30. Will you please order the following Osram bulbs :- 12 12/14 volt 4 watt S.B.C. cap centre contact S.7126 12 12/14 " 6 " " double " S.7168 12 6/7 " 3 " Screw " " S.7584 Received 23/12/30. EFC. | ||