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 schedule and construction details for an experimental coil.

Identifier  ExFiles\Box 69\1\  scan0284
Date  2nd January 1930
  
X. 8710
23.12.29.
TESTS OF EXPERIMENTAL COILS TO SCHEDULE.
Type of coil :-
X.No. 8710
Date 2-1-30
Coil No. L.I.2
Particulars of design and method of construction :-
(a) Core.
Std
(b) Primary.
Std
(c) Secondary.
Std
(d) Primary insulation.
None between layers.
(e) Secondary insulation.
4 turns of waxed paper between first 3 layers and 2 turns between remaining layers.
(f) General.
This coil was placed on production on
31-12-29.
  
  


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