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).
Arranging for a 'Yvel Granite' type lamp bulb to be sent to the B.T.H. Works for experimental purposes.
| Identifier | ExFiles\Box 166\4\ img223 | |
| Date | 14th November 1938 | |
| 6089- To HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} Rm{William Robotham - Chief Engineer}/RC.{R. Childs}10/JH.14.11.38. Will you please arrange for 1 'Yvel Granite' type lamp bulb to be sent to the B.T.H. Works, Rugby. Marked for the attention of Mr. H.W. Edmundson. The lamp is being sent for experimental purposes and there is no charge. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||