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).
Requesting a 20 HP type A.T. speedometer for testing following tests on the 40/50 HP type.
| Identifier | ExFiles\Box 50\4\ Scan180 | |
| Date | 17th March 1928 | |
| To Ey/Mtn. X4308 EFC {E. Fowler Clarke - Electrical Engineer} 2/T17.3.28. A.T. SPEEDOMETER. Now that we have tested two A.T. speedometers of the 40/50 H.P. type, we should like to try one of the 20 H.P. type, in a similar way. Could you please arrange for us to receive one of these from recent production supplies ? EFC. {E. Fowler Clarke - Electrical Engineer} | ||