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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).
New standardized Ballast Resistance Wire blueprints for all chassis.

Identifier  ExFiles\Box 168a\5\  img071
Date  9th June 1937
  
c. Rm{William Robotham - Chief Engineer}/Wst.

BY/RD.6/B.9.6.37.

BALLAST RESISTANCE - ALL CHASSIS.

Please receive herewith blueprints of :-

DW.295 - Ballast Resistance Wire.

This wire is the new wire recently standardised and has now been added to the respective LOP.s as follows :-

DW.296 - Ballast Resistance LOP. - 25/30 HP, Bentley and Wraith.

D.76032 - Ballast Resistance LOP. - Phantom III.

These prints are sent to you for reference purposes only, as we understand that all the necessary testing has been completed.

Will Rm{William Robotham - Chief Engineer}/Wst., please say whether this resistance wire can be used for replacement purposes.

BY/RD.
  
  


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