AY COZ UNBIA Nh Layerbit 49s Marr 013 Rrgistz0e0 cells qet = power 45 VOLTS TENSION from everyinch Of space 333 Actuy bigger eleetrodes aY whl Mivd lengthen service and lower internal OeR terae; 0 0AY Cawe sQ resistance means a lower voltage drop 05 Yoa _ 0 when in active service: Columbia SB" KD Batteries give your radio greater elar- ity, volume and distance : they mean ALc economy and OR Longer Life! COLUMBIA TRADE Mark RADIO BATTERIES Factory Reprcsentatlves ; Ellls & Company, Ltd. Chancery Chambers. O'Connell St, Auckland I88 DATTy A
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https://paperspast.natlib.govt.nz/periodicals/RADREC19310710.2.4.1
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Radio Record, Volume IV, Issue 52, 10 July 1931, Unnumbered Page
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89Unnumbered Page Advertisement 1 Radio Record, Volume IV, Issue 52, 10 July 1931, Unnumbered Page
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