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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).
Modifying the production testing procedure for condensers.

Identifier  ExFiles\Box 34\1\  Scan172
Date  27th February 1920
  
X.2572

Mr. Brock from By.{R.W. Bailey - Chief Engineer}
c. to CK.{Mr Clark}

By11/P27.2.20.

X.1627. RE PRODUCTION TESTING OF CONDENSERS. X.2512.

Referring to the fact that we have been flashing Condensers by switching on and off when on the 400 volt A.C. will you please note that this particular feature should be modified to read:-

'Before encasing a condenser it shall be tested by applying to its terminals an alternating voltage of 450 volts for a period of approximately 10 minutes through a light fuse'

I am attaching a copy of the instruction modified as referred.

By.{R.W. Bailey - Chief Engineer}
  
  


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