Rolls-Royce Archives
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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).
Extract from a report on the condition of an ignition coil and distributor after a 14,000-mile test.

Identifier  ExFiles\Box 61b\2\  scan0117
Date  5th April 1930
  
X5690
5.4.30.
Extract from Mr.Hancock's report on 14-GIV after 14,000 miles
X8710.
IGNITION COIL L.I.7. WOUND ON TUBE WITH PARALLEL
SECONDARY WINDING.
DISTRIBUTOR WITH MODIFIED CONTACT POINT ARM
There has been no sign of coil failure throughout the mileage. The contacts of the distributor show very slight sign of burning and pitting. The contact points are very much discoloured and do not show any signs of wiping effect taking place. We have not detected any flaws in the Maconita distributor.
  
  


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