Weck jar secured by steel tension clips which can be removed once a vacuum seal has formed. During storage the vertical position of the rubber seal's external tongue indicates the status of the sealing. Weck products are still produced and are available from German hardware and online stores. Used equipment is frequently sold on online auction sites and in opportunity shops. Weck jar A Weck jar is a molded glass jar used in canning to preserve food. It is popularly used for jam preservation, for its minimal look and foolproof rubber gasket with a glass lid. Weck jars were created by the
Barron Kilner the first person in the crowd to the right of Dobson's head. Barron Kilner Barron Kilner (11 October 1852 – 28 December 1922) was an English rugby union footballer who played in the 1880s, and rugby union administrator of the 1890s. He played at representative level for England, and Yorkshire, and at club level for Wakefield Trinity (were a rugby union club at the time, so no Heritage № is allocated), as a forward, e.g. front row, lock, or back row. Prior to 27 August 1895, Wakefield Trinity was a rugby union club. Barron Kilner was also Mayor of Wakefield