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).
Various speed records set at Brooklands racetrack.
| Identifier | ExFiles\Box 29\3\ Scan005 | |
| Date | 13th November 1911 | |
| R.R. 148 (20 m) (W 953. 13.10.11) G 2051. X/010 4200 13/11/11 Brooklands Records Flying 1/2 mile 10 laps standing | flying 1/2 mile 10 laps standing 16 HP | 40 HP Singer 90.04 mph 81.00 Singer | 103 Benz 84 Humber 21 HP | 60 HP Vauxhall 100 mph 90.22/vauxhall | 109 Mercedes 101 Brasier 26 HP | 90 HP Hutton 87 mph 76 Hutton | 127 Benz 102 Napier 50 miles 32.5 secs (Thomas) | 100 miles 1 hour 6 mins 1 hour 89.5 (Thomas) | (Thomas) S & H | ||