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 a Watford E06d magneto, number 87407.
| Identifier | ExFiles\Box 70\4\ scan0190 | |
| Date | 8th December 1925 | |
| X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 8797 Watford E06d magneto No 87407 (Thicker Alum'm plate) (and modified HT Pick up) | Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. | |------------|-----------|-----------|------------------------------------------------------------------------------------------------------|----------------------|-----------------------|----------------|--------------| | 8-12-25 | lab | 17-12-25 | Tested for noise and reported in WB{Mr Brazier/Mr Bell} 62. | | | | | | 31-12-25 | 44PK | | Fitted to 44 PK | 834 | | | | | 30-1-26 | " | | Reported quiet magneto by testers | | 1388 | 554 | | | 2-3-26 | | | | | 2643 | 1809 | | | 7-4-26 | " | | | | 4286 | 3452 | | | 14-4-26 | lab. | 28-6-26 | Removed from 44PK and sent to lab for easing the control for HS{Lord Ernest Hives - Chair}/RM{William Robotham - Chief Engineer}'s tests. | | 4432 | 3598 | 3598. | | 28-6-26 | 9 EX | 15-7-26 | Fitted to 9 EX but was found to be terribly noisy so removed and returned to lab | 4215 | 4759 | 544 | 4142. | | 15-7-26 | lab. | | H.T. Pick up and Alum plate transferred to std magneto NO 85253 and so magneto is now standard | | | | | | ||