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).
Hand-drawn sketch of a firearm component with dimensions and a manufacturing note.
| Identifier | ExFiles\Box 80\1\ scan0007 | |
| Date | 27th November 1920 guessed | |
| 15" <— 3.25" —> THRD & TAPER TO BE SAME DIA AT SMALL END | ||