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 on the chemical analysis of a steel valve.
| Identifier | ExFiles\Box 76\3\ scan0028 | |
| Date | 19th January 1918 | |
| RR. 864. ROLLS-ROYCE, LIMITED. LL 121 LABORATORY REPORT ON SAMPLE OF STEEL. To: Works & Experimental Dept Date: 19-1-1918 Re: Brown-Bayleys Lusk-Step Valve steel in the form of: valve that stood well under test marked: — received at works on: received by: laboratory on: 18-1-18 CHEMICAL ANALYSIS. Carbon: .43 % Nickel: % Chromium: 7.35 % Vanadium: % Tungsten: % Manganese: .33 % Silicon: % Sulphur: % Phosphorus: .042 % Remarks, etc. X 1-18 Signature: [Illegible Signature] | ||