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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).
The return of a faulty sample Tungstone cell due to buckled positive plates.

Identifier  ExFiles\Box 35\4\  scan 186
Date  23th April 1926
  
To Wd.{Mr Wood/Mr Whitehead} from EFC,

X3830
EFC3/T23.4.26.

Herewith we hand to you for return to the makers, package containing in a now dry condition the sample Tungstone cell which we recently had. We do not think we have anything to gain by further observation of this.

During the last week or two the positive plates have become so badly buckled (in ordinary charging without any serious overcharging) as to put the cell out of action.

As originally surmised, this type of cell is not at all on the right lines from our point of view.

EFC.

Cell herewith.
  
  


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