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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).
Suggesting the modification of a Dynamo D.72906 armature for a Special Bentley Dynamo.

Identifier  ExFiles\Box 62\3\  scan0474
Date  13th December 1934
  
WST 86142.
C. Hg/Wst.
BY/RD4/W.13.12.34.

SPECIAL BENTLEY DYNAMO.

Armature,Sec.8070.

Further to our memo of yesterday's date, instructing one special set of poles for the above dynamo,in order to obtain an armature quickly we suggest we take a Dynamo,D.72906 from the Repair Department,and modify the armature as shown on DB.{Donald Bastow - Suspensions}883, blue prints of which are attached hereto.

The modification mainly consists of removing surplus metal at the commutator end to make same suitable to take a tachometer drive.

Will you please have one of these put in hand as quickly as possible.

BY/RD.
  
  


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