The mileage of various cars fitted with A.T. speedometers with modified trip mechanisms.
| Identifier | ExFiles\Box 165\2\ img022 | |
| Date | 17th February 1937 guessed | |
| A.T Speedometers with Modified Trip Mechanism. Miles run on various cars to date. 32 EX. 5,941 33 " 1,749 36 " 3,426 37 " 6,700 39 " 2,760 24 GVI. 3,014 25 " 2,381 B. 56. BN. {W.O. Bentley / Mr Barrington} 2,780 3 B IV. 13. No complaints have been received. C.A. | ||
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).