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).
Instructions regarding the analysis of current values and melting wires.

Identifier  ExFiles\Box 61\2\  scan0342
Date  2nd August 1920
  
RR 300 (120B) (SF 349 24.1.19) MP 200552
91152
ROLLS-ROYCE LIMITED.
INSTRUCTIONS.
To E.F.C
Order No. P.A.4.
Customer's No.
Re X.
August 2nd 1920
It will be noticed that the current values are higher in No 1 of each section, and No 4 of B and C. This I think must be due to the cooling of the terminals, as a period elapsed between each section, and No.4, B and C, were carried out some time after the others.
On melting, the wires of section B. created a volume of smoke. This, in conjunction with their appearance, and comparatively low melting current, leads me to believe, that they are of lead. On the other hand, the specimen from London, from its being
Signed Cont'd.{John DeLooze - Company Secretary}
This Sheet must be filed on completion of the work.
  
  


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