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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).
Clarifying the minimum dynamo brush clearances for 20 HP models.

Identifier  ExFiles\Box 165\6\  img011
Date  10th November 1925
  
X15660
To EFC. BY/RDI/M.10.11.25.

RE 40/50 AND 20 H.P. DYNAMO BRUSH CLEARANCES.

Reference EFC3/T3.11.25.

We would point out that under present conditions the minimum clearance on the 20 H.P. dynamo brushes is .003 and not .005 as suggested in the above memo.

[STAMP] RECEIVED BY RD.
  
  


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