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).
Delco ignition catalogue and a query about the ignition systems used on American aero engines.

Identifier  ExFiles\Box 163\7\  img157
Date  18th September 1931
  
X6036
To E.{Mr Elliott - Chief Engineer} from Hs.{Lord Ernest Hives - Chair}
Hsl/AD18.9.31.
Attached herewith please find latest catalogue of Delco ignition.
I wrote to Cy. asking him what was the reason for most of the American aero engines using magneto ignition whereas originally they were mostly using battery sets.
Hs.{Lord Ernest Hives - Chair}
Attached.
Copy of letter.
Catalogue.
  
  


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