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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).
Fitting tungsten rivets to a chassis contact breaker and the unsuitability of machining a supplied tungsten rod.

Identifier  ExFiles\Box 35\5\  scan 093
Date  5th February 1920
  
CK.{Mr Clark} from RHC.{R. H. Coverley - Production Engineer}

X 2894

RHC{R. H. Coverley - Production Engineer}2/LG5. 2. 20.

RE TUNGSTEN CONTACTS X. 2894.

With reference to the above, will you kindly note that we have fitted the 2 Tungsten rivets supplied, to a blade and screw for a chassis contact breaker and handed this to Furner. I noticed that these are only tungsten tips deposited on a rivet.

With reference to the short piece of tungsten rod which you supplied and which was obtained from the Fan Steel Co. U.S.A. we are unable to machine this; it could be done by grinding but that would entail a fair amount of scrap and I do not consider it would be worth it.

I attach the tungsten in question hereto.

RHC.{R. H. Coverley - Production Engineer}
  
  


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