Cover note for information regarding barrel steels.
| Identifier | ExFiles\Box 170\4\ img014 | |
| Date | 17th July 1940 | |
| 13 OY. From Rm. {William Robotham - Chief Engineer} Rm. {William Robotham - Chief Engineer} 2/ML.17.7.40. BARREL STEELS. Here is some information with regard to the barrel steels. Rn. {Mr Robinson} | ||
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).