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 six Osram inspection lamp bulbs for further approval.
| Identifier | ExFiles\Box 166\4\ img103 | |
| Date | 6th February 1931 | |
| X6089. Roy.{Sir Henry Royce} from EFC. EFC2/AD6.2.31. X.6089. INSPECTION LAMP BULBS. We recently received from the G.E.Co. in accordance with their letter ref. C/E/466 of the 23rd ult. a sample 12 volt 9 watt S.B.C. vacuum side lamp for trial as an inspection lamp bulb this being the result of certain correspondence we had with them concerning the unsuitability of the previous type used. We have now proved the suitability of the sample so far as possible on one bulb only and we wish you to place an order for six more such bulbs for further approval previous to placing an order for a larger quantity. Therefore will you please order six Osram 12 volt 9 watt double contact bulbs cat. No. S/7172. The price of these bulbs as quoted in their letter is 1/8d each less 33 1/3%. EFC. Received. O/No. 54733 | ||