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).
Production test for a standard two-charge 20/25 dynamo using a smaller field resistance unit.
| Identifier | ExFiles\Box 163\6\ img262 | |
| Date | 12th January 1933 | |
| X6016 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.9/MA.12.1.33. STANDARD TWO CHARGE 20/25 DYNAMO WITH SMALLER FIELD RESISTANCE UNIT. We send you herewith production test for dynamos where the proposed smaller (11") field resistance is used Hs{Lord Ernest Hives - Chair}/Wst. | ||