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).
Question regarding lead oxide deposition on spark plug electrodes.

Identifier  ExFiles\Box 162\4\  img158
Date  29th July 1936 guessed
  
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(d) Can lead oxide be deposited on the electrodes in such a way as toraise the sparking plug voltage.

Awaiting your reply.

Yours sincerely,
  
  


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