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).
Request to modify a chassis dynamo to eliminate an electrical hum.

Identifier  ExFiles\Box 36\4\  scan 096
Date  26th July 1927
  
X.3014b.
E C
BY19/H# 26. 7. 27.
RECEIVED 27 JUL 1927

Mr.Brock.
c. He.
c. EFC.
--------
X.3014b. CHASSIS DYNAMO.
------------

Will you kindly modify the Dynamo in accordance with Mr.Ireland's scheme, so that it eliminates the electrical hum developed just above the cutting in scheme, in order that EFC. may be able to take the curves on the dynamo firing up the whole of its performance, and check whether the proposed modification is actually suitable for use or not.

BY/
  
  


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