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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 Mushroom type H.T. Rotor.

Identifier  ExFiles\Box 61b\2\  scan0097
Date  3rd September 1928
  
x7699
Mushroom type H.T. Rotor for Battery ignition distributor
X4041
ELECTRICAL EXPERIMENTAL RECORD SHEETS.
Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles.
3-3-28 | 12 EX | | Fitted to chassis 12EX for 10000 mile test. | 712 | | |
12-4-28 | " | | | | 1068 | 356 | 356
7-5-28 | " | | | | 3809 | 2741 | 3097
4-6-28 | " | | | | 5426 | 1613 | 4710
6-7-28 | " | | | | 7048 | 1622 | 6332
13-8-28 | " | | Rotor OK. | | 9264 | 2216 | 8548
3-9-28 | " | | | | 10722 | 1458 | 10006
This item is now standard.
  
  


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