Rolls-Royce Archives
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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).
Cover memo for two methods of obtaining a black finish on brass work.

Identifier  ExFiles\Box 38\6\  Scan160
Date  31th January 1919
  
R R 235 a (100 T) (S.E. 527. 21-2-18) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 21 D

To Mr. Hall
from EFC.

EFC1/AT31.1.19.

X.3424.-BLACK FINISH ON BRASS WORK.

Attached are copies of two methods of obtaining the above effect, which may be of interest to you.

EFC.
  
  


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