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).
Order for nine Osram lamp bulbs for personal and experimental use.
| Identifier | ExFiles\Box 63\1\ scan0146 | |
| Date | 1st January 1924 | |
| To Wd.{Mr Wood/Mr Whitehead} from EFC. X3035 EFCl/T17.1. 24. X.3035 - RE LAMP BULBS. Will you kindly order up nine 4-volt 4-watt Osram lamp bulbs, s.b.c. double contact (similar to sample herewith). Six of these to be charged to me personally, the other three being for experimental purposes. EFC. | ||