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 specific lamp bulbs.
| Identifier | ExFiles\Box 166\4\ img073 | |
| Date | 29th August 1930 | |
| X6089 Roy.{Sir Henry Royce} from EFC. EFC6/AD29.8.30. Will you please order the following lamp bulbs :- 12 12/14 volts 6 watt double contact vacuum cap S.B.C. BAS. No.10 S.7168. EFC. Received 5/9/30. | ||