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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).
Letter to Lodge Plugs Ltd. requesting a modification to the RL.14 plug to improve slow running.

Identifier  ExFiles\Box 162\6\  img312
Date  23th April 1936
  
86002e.

Hs{Lord Ernest Hives - Chair}/Wst.2/JH.

23rd April, 1936.

Messrs. Lodge Plugs Ltd.,
Rugby.

Dear Sirs,

We find a big improvement in slow running with the RL.14 plug if we use two washers under the gland nut we provide extra gas space round the electrodes.

Could you please consider a modification to give us this effect and for the time being send us a small quantity of gland washers to carry on with our tests.

Yours faithfully,

FOR ROLLS-ROYCE LTD.
  
  


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