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).
Recommending that a tire pressure tester should always be carried in the car.
| Identifier | ExFiles\Box 1\7\ B001_X15 20 46 50 59-page088 | |
| Date | 12th October 1911 | |
| A.{Mr Adams} Barrington 12th October 1911 R1/D121011 C.J. and Members of Technical Committee. In order to avoid the tires being either over-inflated or under-inflated a pressure tester should always be carried on the car. A tremendous number of tires are destroyed (in- cluding bursts) through the pressure being wrong. F.H.R. X20 | ||