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).
Laboratory report detailing the metallic composition of a submitted strip.
| Identifier | ExFiles\Box 76\3\ scan0086 | |
| Date | 5th February 1919 | |
| RR 235 b (200 T) (S. F.{Mr Friese} 103. 25-10-18. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2244 Mr Hives, Experimental Dept. February 5th. 1919. H17/EB5219. Laboratory. Re second strip submitted this afternoon. This was found to be 81% copper and 19% zinc approx. | ||