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 'Mangonic' wire.
| Identifier | ExFiles\Box 168a\5\ img010 | |
| Date | 17th August 1926 | |
| X8720 E.F.C. RECEIVED 23 AUG 1926 H13/EA17.8.26. Laboratory. Report No. L513. Re "Mangonic" Wire. Analysis. Iron --------- Traces. Manganese ---- 3.65 % Nickel ------- Balance H1. HC. | ||