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 mushroom type H.T. rotor for an H.T. battery ignition distributor.
| Identifier | ExFiles\Box 61b\2\ scan0096 | |
| Date | 3rd July 1928 | |
| X 7690 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: -4041 Mushroom type H.T. rotor for H.T. Battery ignition distributor | on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. | |---|---|---|---|---|---|---|---| | 9/12/27 | 14 EX. | | Fitted to distributor on 14EX. | 2536 | | | | | 30/4/28 | " | | | | 209 | 7677 | 7677 | | 7/6/28 | " | | | | 2155 | 1946 | 9623 | | 3/7/28 | " | | Rotor OK. | | 3342 | 1187 | 10810 | | | | | This item is now standard. | | | | | | ||