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).
Schedule of running for a 20 HP vehicle, detailing dates, a route, and mileage.
| Identifier | ExFiles\Box 5a\2\ 02-page017 | |
| 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 -------------- | ||