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).
Progress report from the Gun Installation Section on completed and in-hand work.
| Identifier | ExFiles\Box 133\4\ scan0245 | |
| Date | 12th May 1941 | |
| Ev.{Ivan Evernden - coachwork}2/JH.16.5.41. Progress Report - 12th. May, 1941. Gun Installation Section. Work Completed. QPL.185 Blast Tube Extension. 40 m.m. Gun. QS.264 Gun Mounting to suit Gun inclined at 12½° and plane fuselage. 40 m.m. Gun. QS.260. Revised rear mounting to suit Gun inclined at 12½° with simplified operation. 40 m.m. Gun. Work in Hand. QPL.186 Installation of 40 m.m. in Beaufighter. 40 m.m. Gun 90% QPL.187 Section through Beaufighter fuselage at Gun Magazine. 40 m.m. Gun 90% QPL.188 Section through Beaufighter fuselage at front end of cradle. 40 m.m. Gun 90% P.T.O. | ||