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).
Experiment to find out why 20 pitch Axle is quieter than 5's.

Identifier  ExFiles\Box 2\6\  B002_X 140 141 157-page020
Date  22th January 1912
  
X763 Section X140 500
Description: Experiment to find out why 20 pitch Axle quieter than 5's.
22/1/12: Inst from Mr Rowington re 3 Noises. By effect of shoe corner points, & on special fulcrum.
28/1/12: Notes. Test 50 feet of rail & exploded again. see other side
  
  


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