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).
Letter inquiring about work done on a new insulator marketed by the Batelle Institute.
| Identifier | ExFiles\Box 162\3\ img200 | |
| Date | 8th May 1940 guessed | |
| -2- obtained. Have you done any work with regard to the new insulator marketed by the Batelle Institute? Reports indicate that this material will hold its own with sinter-corund. Yours faithfully, for Rolls Royce Ltd., | ||