Hand-drawn pencil sketches on the reverse of a typed memo.
| Identifier | Morton\M6\ img043 | |
| Date | 19th May 1928 guessed | |
| "GASTONS" W.M. MILLETT MR. CHICHESTER | ||
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).