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).
Technical data sheet from The Morgan Crucible Company, Ltd. detailing properties of electrical grades EG2 and EG0.

Identifier  ExFiles\Box 50\5\  Scan114
Date  24th July 1922 guessed
  
XFT
To
Messrs. Rolls-Royce Ltd.
Derby

The Morgan Crucible Company, Limited.

-2-

GRADE. Spec. Res. ohms per in. cube
Coefficient of Friction
Contact Drop volts
Normal Current Density amps. per sq. inch.
Commutator Slipring

EG2 .0012 .22 .85 60 70

EG0 .0006 .18 .85 65 75

THE MORGAN CRUCIBLE COMPy LD
S. Beeton
DIRECTOR
  
  


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