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 record sheet for 'Macomite' High Tension wires.
| Identifier | ExFiles\Box 168\1\ img072 | |
| Date | 19th April 1926 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS X.No:- 3860 "Macomite" High Tension wires Date on | Location | Date off | REMARKS | Miles reading start | Miles reading finish | Miles covered | Total miles ---|---|---|---|---|---|---|--- 4-6-26 | 8EX | | Fitted alternately with standard cable to 8EX | | 77 | 1717 | 1717 13-8-26 | " | 31-8-26 | Engine removed ready for placing in 7EX chassis | 1794 | 1170 | 2887 | 31-8-26 | Shop | | Fitted to chassis 7EX | 2964 | | | 3564 30-9-26 | 7EX | | Wires sent to coach builders and then to R.{Sir Henry Royce} | 9437 | 677 | 3729 | 26-11-26 | " | | | 114 | 165 | | 7-12-26 | " | | | 259 | 12913 | | 28-12-27 | Lab. | | Returned to Derby. Wires removed for test in lab. High voltage tests carried out satisfactorily. See report WC98. | 2672 | | 16142 | 19.4.26. | ||