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 order request for specific lamp bulbs for an instrument lamp and thermometer.
| Identifier | ExFiles\Box 166\4\ img069 | |
| Date | 4th August 1930 | |
| X6089. Roy.{Sir Henry Royce} from EFC. EFC./AM.4.8.30. Will you please order the following lamp bulbs :- 12 16/18 volts 3 watt vacuum centre contact cap S.B.C. S.7954. For Inst. lamp and 40/50 thermometer. (Cap as arranged with G.E.C. by R.R.) Received. EFC. | ||