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Technical memorandum discussing modifications to a coil, including a new case moulding and reduced primary inductance.


Identifier  WestWitteringFiles\J\January1923\  Scan38
Date  29th January 1923 guessed
  
EFC {E. Fowler Clarke - Electrical Engineer} 1/T23.1.23. -2- Contd.

of .312 between the secondary winding and the case, which
would seem to be ample.
As regards the new coil case moulding it has
only meant a new plunger being made for the mould so that
the alteration is inexpensive.
We think you will not be able to detect the
difference between this coil and the ordinary 40/50 stabilite
coil, except that perhaps at high speeds the present coil
may be a little better owing to the reduced primary
inductance.


EFC. {E. Fowler Clarke - Electrical Engineer}
  
  
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).


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