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).
Continuation of performance test data for a Buick, showing speed versus water pressure under various conditions.
| Identifier | ExFiles\Box 124\3\ scan0012 | |
| Date | 16th May 1919 | |
| Re. "Buick" - contd. 16.5.19. | M.P.H. | ins. of water | |---|---|---| | 30 | 23½ | climbing at full throttle. | | 20 | 17 | climbing at full throttle with connection to induction pipes. | | 20 | 2 | climbing at full throttle without connection to induction. | | | 13 | will just close vacuum valve on level roads. | | ||