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).
Page discussing the speedometer drive and requirements with the A.T. Co.
| Identifier | ExFiles\Box 86\4\ scan0026 | |
| Date | 14th November 1932 | |
| - 2 - BY.1/G.14.11.32. information here that it is intended to be on that side. (3). In regard to the speedometer drive, we will take this matter up with the A.T. Co. and satisfy ourselves that our requirements can be met under the conditions outlined in your paragraph (4). By BY.{R.W. Bailey - Chief Engineer} | ||