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).
Request to approach Messrs. Ferranti to submit a moving iron chassis ammeter for testing.
| Identifier | ExFiles\Box 168\5\ img213 | |
| Date | 6th June 1931 | |
| Y6132 Roy.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/HEW. Hs{Lord Ernest Hives - Chair}/HEW5/AD6.6.31. We should be glad if you will approach Messrs. Ferranti with a view to their submitting for our test a moving iron chassis ammeter similar in pattern to our present moving coil type. Hs{Lord Ernest Hives - Chair}/HEW. | ||