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 a distributor box with built-in thumb screws and a cut-out.
| Identifier | ExFiles\Box 50\1\ Scan126 | |
| Date | 10th November 1926 | |
| X4105.D ELECTRICAL EXPERIMENTAL RECORD SHEETS. Dist-box with built-in thumb screws. Cut-out: Reynold points, backing; rigid support; .150" neck X. No.:- 4105.D Date on. | Location. | Date off. | REMARKS. | Miles Reading Start. | Miles Reading Finish. | Miles covered. | Total Miles 22-IV-26 | 12 Ex. | | Fitted by A.T. | 195 | | 0 | 0 1-VI-26 | " | | Pts v.good; sliding &c. All OK. | 743 | | 548 | 548 1-VII-26 | " | | Pts f.good. Sliding. Small wear. | 2804 | | 2061 | 2609 23-IX-26 | " | | Pts good. Sliding. Small wear. | 18646 | | 15842 | 18451 10-XI-26 | " | | Pts fair. Slight pip. Rolling. "Experiment terminated" | 20769 | | 2123 | 20574 REMARKS. 150. X. 6. | ||