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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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