Request to the laboratory for a chemical analysis of Silchrome steel valves made by Firths.
| Identifier | ExFiles\Box 54\3\ Scan212 | |
| Date | 18th September 1926 | |
| Laboratory. To Hl. from Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} +46324 Hs {Lord Ernest Hives - Chair} /Rml/LG18. 9. 26. VALVES. With reference to the Silchrome steel valves made by Firths, of which you have recently taken a brinell test for us, we should like you to make a chemical analysis of these to see if they conform with the specification. In addition, we attach an additional valve for brinell. Hs {Lord Ernest Hives - Chair} /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).