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).
Experimental record sheet for 'Maconite' high tension wires, tracking mileage and tests.
| Identifier | ExFiles\Box 168\1\ img071 | |
| Date | 19th April 1926 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS X.No:- 3860 "Maconite" High tension wires Date on | Location | Date off | REMARKS | Miles reading start | Miles reading finish | Miles covered | Total miles 4-6-26 | 11G III | | Fitted alternately with standard cable to 11G III | 3949 | | | 30-6-26 | " | | | 5037 | 2989 | 1088 | 2989 10-8-26 | " | | | 6938 | 4832 | 1843 | 4832 14-9-26 | " | | | 8781 | 5740 | 908 | 5740 13-10-26 | " | | | 9689 | 5905 | 165 | 5905 8-11-26 | " | | | 9854 | 7082 | 1177 | 7082 7-12-26 | " | | | 1031 | 8064 | 982 | 8064 3-1-27 | " | | | 2013 | 8724 | 660 | 8724 3-2-27 | " | | | 2673 | 9845 | 1121 | 9845 4-4-27 | " | | | 3794 | 11237 | 1392 | 11237 2-5-27 | " | 4-5-27 | Removed from chassis and returned to lab. | 5186 | 12133 | 896 | 12133 4-5-27 | Lab | | For test. High voltage tests carried out satisfactorily. See report WC98 | 6082 | 12182 | 49 | 12182 19.4.26. | ||