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).
Reduction of silicon and phosphorus content for further experimental work.
| Identifier | ExFiles\Box 14\3\ Scan019 | |
| Date | 26th September 1928 | |
| - 2 - BY11/G.26.9.28. is 2 to 2.25%. We think this will be more effective by reducing the silicon by about .2%, and also reducing the phosphorus content. We are doing this in our further experimental work. BY.{R.W. Bailey - Chief Engineer} | ||