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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).
Requesting an alteration to a dynamo's field winding for bench tests with a new Lucas regulator.

Identifier  ExFiles\Box 168a\3\  img349
Date  1st March 1937
  
To HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. to WST/Rv.
c. to WST/CRP.

6142

RM{William Robotham - Chief Engineer}/WST.7/JH.1.3.37.

ALTERATION TO FIELD WINDING OF DYNAMO.
S.F.1.

In connection with our bench tests of the new Lucas regulator, we require a dynamo with the field winding connected to the negative brush.

To obtain this, that end of the field winding which is at present connected to the positive terminal must be removed and connected to the 'D' terminal. The end at present connected to the 'D' terminal must be removed and connected to the negative brushholder.

We are handing over dynamo S.F.1. for this purpose and would be pleased if you would arrange for this to be done.

RM{William Robotham - Chief Engineer}/WST.
  
  


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