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 to supply three keys as per an attached model.
| Identifier | ExFiles\Box 143\1\ scan0310 | |
| Date | 18th August 1938 | |
| 1209. EJJ/Mr. Causer. Rm{William Robotham - Chief Engineer}/Cr{Mr Cra???ster / Mr Chichester}7/R.18.8.38. Please supply three keys as per the attached model. Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester} | ||