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 one dozen 'V' filament Cadmium Yellow pass lamp bulbs.
| Identifier | ExFiles\Box 166\4\ img230 | |
| Date | 6th December 1938 | |
| .6089. To Roy{Sir Henry Royce}/Ms. c. to G/JWH. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}6/JH.6.12.38. Re Pass Lamp Bulbs. Will you please order from the B.TH. Co.Ltd., Rugby, the following bulbs - 1 doz. 12 v.{VIENNA} 36 watt. 'V' filament. Cadmium Yellow A.S.C.C. cap. These bulbs to be identical with that recently supplied to us as an alternative to the 'Yvel Granite' type lamp. Please mark this order for the attention of Mr. Edmundson. O/N.52409. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||