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).
Tungsten contacts for contact breakers oxidising and a suggestion to order replacements.

Identifier  ExFiles\Box 35\5\  scan 004
Date  7th February 1917
  
COPY

7/2/17.

X.2894 - TUNGSTEN CONTACTS FOR CONTACT BREAKERS.

Mr. Ellis says the Tungsten contacts oxidise.
Ey. suggests ordering up 6 to each of E.12487/8 for high speed magneto contact breaker.
L.P.S. Electrical Co., are at present fitting us two Watford Magneto Contact Breakers with these Contacts.

EFC.
  
  


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