Cleaning Terminals
"TERMINALS frequently get dirty owing to a thin coating of oxide, due to atmospheric effects, and this firm, which may only appear as a dullness, detracts from the -efficiency of the set. Other _terminals which get dirty, and very. dirty, too, are those on the accumulator. It is quite easy, however, to make a very simple little device, which obviates scraping the contact faces of the terminal gith, say, a penknife. Procure a wooden tube or an,old | screwdriver. handle, and: on the endy which is already bored, after first smoothing it, glue a piece of emery paper. This can then be pushed on to the terminal shank, ‘ind if twisted once or twice will completely clean the cane tact surfaces.’ .
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https://paperspast.natlib.govt.nz/periodicals/RADREC19291101.2.66
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Radio Record, Volume III, Issue 16, 1 November 1929, Page 30
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122Cleaning Terminals Radio Record, Volume III, Issue 16, 1 November 1929, Page 30
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