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).
Distributing one copy of a drawing and one copy of a preliminary handbook for the 40 mm. Type BD Gun.
| Identifier | ExFiles\Box 175\3\ img277 | |
| Date | 6th December 1940 | |
| (copied) Installation pl Hampden & Manchester 3 To Rm.{William Robotham - Chief Engineer} From Ve. Ve/NP.3/CB.6.12.40. Herewith one copy of drawing QB.2120, Installation Arrangement of the Rolls-Royce 40 mm. Type BD{Mr Berend} Gun on B.3 Mounting. Also one copy of the preliminary handbook for the Rolls-Royce 40 mm. Type BD{Mr Berend} Gun. Semvy Ve/NP. | ||