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).
Electrical experimental road test log sheet with mileage records.
| Identifier | ExFiles\Box 168\5\ img085 | |
| Date | 20th October 1926 | |
| ELECTRICAL EXPERIMENTAL ROAD TESTS Elliott X. Ch. 0/4/77/1 X. No:- 4622 Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading Finish. | Miles covered. | Total Miles 14-7-25 | 8EX | 10-12-25 | Report CWH 10-12-25. No trouble. | | | 10,000 | 10,000 10-12-25 | 8EX | 28-1-26 | | | 9750 | 6117 | 16,117 28-1-26 | 8EX | 7-2-26 | Report T.E.H. 12-4-26 | 9750 | 0077 | 327 | 16,444 14-4-26 | 12EX | 21-5-26 | | 0 | [illegible] | [illegible] | [illegible] 21-5-26 | 12EX | [illegible] | | [illegible] | [illegible] | [illegible] | [illegible] [illegible] | [illegible] | 20-10-26 | | [illegible] | [illegible] | 1634 | 27250 | ||