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).
Testing and cost of a new A.T. type magnetic speedometer from Messrs. North.
| Identifier | ExFiles\Box 165\4\ img106 | |
| Date | 3rd October 1931 | |
| X6129 PN.{Mr Northey}4/WT2.10.31. S/W. Hs.{Lord Ernest Hives - Chair}...from PN.{Mr Northey} Copy to Cx.{Major Len W. Cox - Advertising Manager} Watford 100 m.p.h. Magnetic type Speedometer. In Hs{Lord Ernest Hives - Chair}/HEW2/AD19.6.31 we were much interested to learn that you are proposing to obtain and test one of the new A.T. type of instrument which was to be submitted by Messrs. North, this instrument having a more desirable curve of accuracy with variations of temperature. Will you please let us know how this matter stands. We are considerably interested also from the point of view of cost. PN.{Mr Northey} [Stamp: RECEIVED 3 OCT 1931 H] | ||