Research From:Te Toi UkuName/TitleCeramic plugAbout this objectA small round ceramic plug with a flange for a rubber washer. Has a raised knob with a hole through the side for metal jump ring attachment. Recessed hole on the underside. Unglazed. Dug from the former Crown Lynn site.MakerCrown Lynn Technical Ceramics LimitedMaker RoleManufacturerDate Made1940-1980Place MadeNew LynnObject number2015.33.8Copyright LicenceAttribution - Non-commercial (cc)