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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).
Black japanned enamel finish for special parts from Messrs. Lucas.

Identifier  ExFiles\Box 38\6\  Scan171
Date  1st March 1919
  
T R.{Sir Henry Royce} from EFC.
c.c. to CJ.
c.c. to BY.{R.W. Bailey - Chief Engineer}

EFC2/T27/3/19.

X.3424 - RE BLACK FINISH FOR SPECIAL PARTS

We are sending under separate cover a miniature switch a miniature lamp holder, and a portion of a test piece which have been black finished by Messrs. Lucas. We attach copy of their letter by which you will see that this is not an oxidised finish but a particular type of japanned enamel.

We would like to have your comments on this particular finish.

EFC.
  
  


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