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).
Design considerations for grids, including capacity loss and corner radius.
| Identifier | ExFiles\Box 168b\3\ img096 | |
| Date | 6th December 1929 guessed | |
| 4 JD{J. Draper - Frames}41. some technical reason for doing this. I realise that a little capacity would be lost by making a closer grid. The corners of all the grids have only a small radius on them which I think should be increased a little. Generally speaking the grids are of a good design & should prove satisfactory in service. HJ | ||