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).
Observations on the insulation resistance of a car's high-tension system.

Identifier  ExFiles\Box 38\5\  Scan270
Date  21th November 1922
  
Contd.
-3-
EFC1/T21.11.22.

(8) We are at the moment making observations of the insulation resistance of the high tension system on the car both with 200 volts D.C. and 250 volts A.C. and in both cold and hot conditions.

EFC.
  
  


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