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).
Test results for B.I. Helsby High Tension Cables, noting one reel failed the ionization test and must be returned.

Identifier  ExFiles\Box 167\3\  img078
Date  15th July 1937
  
To G/Mt.
c. to RHC{R. H. Coverley - Production Engineer}/SMD.{J. Smedley}
c. to Wst/RS.{Sir Henry Royce's Secretary}

6110

Rm{William Robotham - Chief Engineer}/Wst.4/JH.15.7.37.

re B.I. Helsby High Tension Cables.

Please note that 9 reels BI136-145 with the exception of BI142, have passed the required tests and may be issued to production.

BI.142 has failed on the ionization test, and is an entirely different quality of cable. This reel should be returned to the makers.

Rm{William Robotham - Chief Engineer}/Wst.
  
  


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