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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).
Alterations to a Sequence Starter, a double switch unit, and a push button switch.

Identifier  ExFiles\Box 64\3\  scan0052
Date  20th November 1925
  
To BY.{R.W. Bailey - Chief Engineer} from EFC.
c. BY/RD.
c. RHC.{R. H. Coverley - Production Engineer}

X8650.

EFC2/T20.11.25.

X.8650. SEQUENCE STARTER.

Further to our EFC2/T26.11.25, and in view of RL/M25.11.25, the suggestions contained therein will involve an alteration to the double switch unit ( additione of another terminal), and also to the push button switch, but if carried out they will render unnecessary the alteration to the heavy current winding on the relay switch which was asked for in our EFC2/T26.11.25.

As far as we can see at present, the whole thing now necessitates a complete set of new instructions. some of which depend upon new LeC's yet to be received.

EFC.
  
  


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