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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).
Notification of alterations 1612/N and 1618/N to the 40/50 Chassis Wiring Diagram N.1293.

Identifier  ExFiles\Box 31\2\  Scan047
Date  1st October 1919
  
BY from DA.{Bernard Day - Chassis Design}
RHC{R. H. Coverley - Production Engineer}
To Ck{Mr Clark} & 1 print.

X.1413.

X.2778
X.1413 (struck through)

DA{Bernard Day - Chassis Design}/STT3/EFG.10.19. (1)

Please receive herewith 2 Blue Prints of N.1293
40/50 Chassis Wiring Diagram embodying alterations 1612/N and 1618/N :-

Alteration 1612/N.
Wire running from Negative Bar on Junction Box to Negative Terminal on Switchboard now runs direct to Ammeter, making a more convenient method & shorter wire.
The above alteration has been carried out in the Shops for some time, therefore only replacements of Blue Prints necessary.

Alteration 1618/N
Wire feeding Push Button Switch now runs to the negative Bus Bar on the Junction Box instead of to the Insulated Terminal at bottom of Box. This alteration makes the Starter Motor Relay Circuit independent of the Switch on the Steering Column.

DA{Bernard Day - Chassis Design}/STT.
  
  


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