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Bobbins  used  in  the  production of  standard D  size
alkaline manganese  dioxide  cells were  pressed  and
wrapped  in  alkali-resistant  filter paper. Each  bobbin
was  placed  concentrically  to  an  over-dimensioned
cylindrical zinc  anode  in  a  discharge  vessel  contain-
ing  approximately  250  ml  of  electrolyte and  sealed
off  from  the  air  by  a  film  of  transformer  oil.  The

[ Last edited by hitlu on 2009-12-29 at 21:24 ]

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