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).
Short typed memo to Waller in France requesting reports on 3 B. or 6 B., sent by Grylls.
| Identifier | ExFiles\Box 83\1\ scan0392 | |
| Date | 8th March 1937 | |
| 2009 pm/GRY{Shadwell Grylls} 8.3.37. WALLER HOTEL DE FRANCE CHATEAUROUX INDRE FRANCE. WHY NO REPORTS ON 3 B. OR 6 B. GRYLLS. | ||