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).
Running schedule for a 20 HP vehicle, detailing daily mileage over a period in December and January.
| Identifier | ExFiles\Box 11\2\ 02-page012 | |
| Date | 18th December 1928 guessed | |
| SCHEDULE OF RUNNING FOR 20 HP. 14-G-4. Date. MILES. Dec. 28th. Le Harve to Chateavroux. 280 " 29th. 600 " 30th. 600 " 31st. 600 Jan. 1st. 600 " 2nd. 600 " 3rd. 600 " 4th. 600 " 5th. 600 " 6th. 600 " 7th. 600 " 8th. 600 " 9th. 600 ____ 7480 ____ -------------- | ||