Better than the conventional type of spark plug point-setting gauge, j which usually j s a piece of Hat metal, ; is a piece of wire of the same thickj ness. When a plug has been in ser- ; vice for some time, a crater will have 1 been burned into the central electrode, opposite to the ground electrode. II is then almost impossible to obtain an accurate setting with a piece of flat metal, but the wire will gauge
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Bibliographic details
Waikato Times, Volume 125, Issue 20887, 19 August 1939, Page 5
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78Untitled Waikato Times, Volume 125, Issue 20887, 19 August 1939, Page 5
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