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Alois Hosch
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18,704. Hosch, A. Aug. 21. Gas and like engines, igniting in. The object is to prevent the insulator of a sparking-plug from bursting on becoming hot. Acast-iron or bronze casing ais formed at i as a nut, and carries soapstone insulators b, b<1>, through the centres of which passes an insulating- sleeve d, which surrounds the central conductor c. This conductor carries at its lower eod tbesparking- points n bearing against an insulating - washer o. At its upper .end it is screwed and is provided with a nut t, against which bears a spring s, which absorbs shocks and clamping-nuts h for the wires.
GB190618704D1906-08-211906-08-21Improvements in Sparking Plugs.
ExpiredGB190618704A
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