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).
Blueprint graph showing heating and cooling curves for a KLG 850 A spark plug after a 650-mile run.

Identifier  ExFiles\Box 162\4\  img172
Date  29th August 1936
  
(3) KLG 850 A, HEATING ———, COOLING --- ---, PLUG RUN FOR 650 MILES, IN B.23:AE, TEMPRE °C, 29.8.36
  
  


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