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 card for the supply of valve springs to the test department.
| Identifier | ExFiles\Box 80\3\ scan0073 | |
| Date | 27th January 1911 | |
| R.R. 148 (20 H) (X 287. 8.11.11) G 2139. X290 g/535 Valve Springs. E 2360. (3 Cards) Inst. Supply to Test Dept 27/1/11 12 Valve Springs E 2360. (3 Cards) z complete with washers & cotters E2361/2. Finished & sent to Test Dept 12. 3. 12. Am. | ||