Details for two patents.
| Identifier | ExFiles\Box 147\1\ scan0207 | |
| Date | 31th May 1937 | |
| To By {R.W. Bailey - Chief Engineer} /NW. {N. Walker - Patents} from Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 1247 Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 10/AP.31.5.37 With reference to your By {R.W. Bailey - Chief Engineer} /NW. {N. Walker - Patents} 2/GS.29.5.37 will you please let us have details of Patents No.13771 and 13516 when these become available. Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} | ||
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).