Replacement 12 volt C.A.V. metallic filament lamp for a previously returned blackened one.
| Identifier | ExFiles\Box 38\3\ Scan083 | |
| Date | 25th November 1918 | |
| R R 235 a (190 T) (S.E. 327, 21-2-18) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2109 To R. {Sir Henry Royce} from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 3/AT25.11.18. X 336? RE LAMP FOR LIGHTING INSULATION. We are sending you herewith another 12 volt, 12 c.p. C.A.V. metallic filament lamp which Messrs. C. A. {Mr Adams} Vandervell have sent us to replace the blackened one returned to them. They do not send any comments on the blackening, but merely the new lamp. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).