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
Roy Kilner home with an injury. When he recovered, he was sent to the Western Front in France. During the Battle of the Somme, he was wounded shortly before his battalion engaged in the fighting, receiving a shrapnel wound in the wrist; later in the same action, Booth was killed. Kilner recovered in a military hospital near Blackpool before being assigned to Preston Garrison as a mechanic. Kilner suffered a second loss when his brother Bernard was killed at Ypres in 1917. Having previously played football for Mitchell Main in the winter of 1912–13, Kilner played as a right-back for Preston North