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).
Instruction note detailing the laboratory analysis of valve bend material.
| Identifier | ExFiles\Box 76\3\ scan0029 | |
| Date | 26th January 1918 | |
| R.R. 26 (500 Bks) (SD 747 22-8-17) MP 181927 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Works & Mr Hives Order No. Customer's No. Laboratory Re Valve Bends in either Nickel steel or Mild steel. On analysis this material proved to be Mild Steel. Carbon = .24 Manganese = .40 Nickel = nil. Signed JRDd This Sheet must be filed on completion of the work. | ||