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).
Special production test specification for 20/25 Tank Engine Dynamos.
| Identifier | ExFiles\Box 62\3\ scan0323 | |
| Date | 26th January 1933 | |
| X6005 By.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. c. to Sft{Mr Swift}/Mr.Brock. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.26.1.33. 20/25 TANK ENGINE DYNAMOS. Herewith special production test specification for the dynamos with special control brush setting as fitted to the W.O. Tank engines. Hs{Lord Ernest Hives - Chair}/Wst. | ||