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).
Post Office Telegram with handwritten instructions regarding adjustments to splines and a servo drive.

Identifier  ExFiles\Box 6\4\  04-page127
Date  14th May 1925
  
Roycar Derby Try 8 splines only if still works on increase to 120 degrees still using only 3 understand larger just speed pinion does not work out if therefore 120 degrees unsatisfactory use the stop if servo drive could to be well
  
  


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