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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).
Supplied piece of Tungsten which was found to be too brittle and of insufficient purity to be used for making contacts.

Identifier  ExFiles\Box 35\5\  scan 066
Date  24th October 1919
  
To EFC. from RHC.{R. H. Coverley - Production Engineer}

RHC{R. H. Coverley - Production Engineer}6/LG24.10.19.

RE TUNGSTEN. X.2894

With reference to the piece of Tungsten which you supplied for the purpose of making contacts, we are unable to do anything with this; it is much too brittle. We have consulted Mr. Hall on this matter and also got him to treat it but all to no purpose. He also informs us that this is only 50% tungsten.

Returned herewith is piece of Tungsten.

RHC.{R. H. Coverley - Production Engineer} [Signature]
  
  


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