Earthing Hints
WHERE an earthing clip is used forp: making connection to a pipe care must be taken to clean the pipe thoroughly with a rasp, file or sandpaper, so that-the metal is really bright before the contact is made with the clip. » PIECE ‘of corrugated iron such as is used for roofing sheds, ete, makes an almost ideal earth plate. {---- ---- . --- ---« ©
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https://paperspast.natlib.govt.nz/periodicals/RADREC19291129.2.77
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Radio Record, Volume III, Issue 20, 29 November 1929, Page 32
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61Earthing Hints Radio Record, Volume III, Issue 20, 29 November 1929, Page 32
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