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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).
Report detailing the failure analysis of a battery, noting buckled plates and suggesting ebonite separators for longer life.

Identifier  ExFiles\Box 38\5\  Scan366
Date  1st January 1919
  
ROLLS-ROYCE LTD.
INSTRUCTIONS.
II
19
To
Order No. JC 25
Customer's No.
lost very little active material & were quite strong mechanically, but were badly buckled which had caused the periphery of the grids to fracture.
The negative plates were good & strong. The wood separators were fair, but were very thin at the centres where the buckled positive plates had pressed them out & piercing them in places thus causing the leaking effect.
No doubt if this battery had been fitted with ebonite separators it would have given a much longer life.
Signed F.J.
This Sheet must be filed on completion of the work.
  
  


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