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).
Chemical analysis report for Nickel Ballast Resistance Wires.

Identifier  ExFiles\Box 168a\5\  img016
Date  16th September 1926
  
X8220
Mr. Hall's analysis.
16.9.26.
NICKEL BALLAST RESISTANCE WIRES X.8720.

Manganic. Stores. Expl.
Mn - 3.33% Negligible. Negligible.
Mg - 0.14% Traces. Traces.
Fe - 0.10% 0.20% 0.30%

Other constituents negligible.
  
  


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