Return and calibration of a 20/25 A.T. speedometer.
| Identifier | ExFiles\Box 59\2\ Scan290 | |
| Date | 13th December 1933 | |
| 86051 By {R.W. Bailey - Chief Engineer} /Mtn. From Hs {Lord Ernest Hives - Chair} /Wst. Hs {Lord Ernest Hives - Chair} /Wst.8/MA.13.12.33. 20/25 A.T. SPEEDOMETER. We are returning to you a special A.T. Speedometer No.G.847 which had the new scale fitted, giving a certain percentage fast reading at high speeds. We have tested this speedometer and find it now to be quite OK. giving the required amount of fast reading. We attach a table of our calibration figures for your reference. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).