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).
Request for a recommendation on suitable headlamps not exceeding 11 inches in diameter.
| Identifier | ExFiles\Box 61a\1\ scan0029 | |
| Date | 24th December 1914 | |
| C O P Y. Re Headlamps. Na{Mr Nadin}/S6/LG241214. 24.12.14. Wor{Arthur Wormald - General Works Manager} for Expt.Dept. Will you kindly advise us what lamps we should recommend not exceeding 11" diam. as requested in the attached by Mr.Johnson. Your report Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}6/L231114 states that the large "F" model C.A.V.lamp fitted with No.13 bulb gives the best results, but we believe this lamp is 13" diameter. Na.{Mr Nadin} (Sgd) J.S. Attach - CX{Major Len W. Cox - Advertising Manager}9/RM{William Robotham - Chief Engineer}231214. | ||