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).
Advertisement for Express spark-plugs, highlighting their performance in oily motors.

Identifier  ExFiles\Box 33\3\  Scan072
Date  24th July 1920 guessed
  
EXPRESS
SPARK-PLUGS
EXPRESS
THE HEART OF THE MOTOR
PERFORM IN
OILY MOTORS
  
  


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