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).
Plan Q.PL.110, showing the original sights, armrest, and aiming handle for the 40 M.M. Gun Type B.D.
| Identifier | ExFiles\Box 175\3\ img046 | |
| Date | 5th August 1940 | |
| To Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/HH. c. to Ve. c. to Rm{William Robotham - Chief Engineer}/PLH. Ev.{Ivan Evernden - coachwork}3/JH.5.8.40. 3 re 40 M.M. Gun Type B.D. We are sending you herewith Q.PL.110. showing the sights, armrest and aiming handle as fitted originally to the first type of M.M. gun. The original is attached to Rm{William Robotham - Chief Engineer}/HH's. copy for issuing. No detailing is required. The sights and armrests were raised subsequently and are dealt with on a later scheme. Original to Rm{William Robotham - Chief Engineer}/HH. prints to FJH.{Fred J. Hardy - Chief Dev. Engineer} Ve. Rm{William Robotham - Chief Engineer}/HH. Ev.{Ivan Evernden - coachwork} & Blackstone. | ||