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
Walter S. Mason Jr. Walter S. Mason Jr. Dr. Walter S. Mason Jr., a Clinton, Oklahoma rural veterinarian turned U.S. Route 66 hotelier, was a former head of the Best Western hotel chain. In 1955, governor-elect Raymond Gary named Dr. Mason (Col '45) as vice-chairman of the State Board of Affairs; he served seven years (1970–76) as an appointed member of the Oklahoma Industrial Development and Park Commission. He became president of Best Western International in 1984. As owner of the Tradewinds Courtyard Inn from 1963 until 2003, he hosted Elvis Presley during his travels from Memphis to Las Vegas and Hollywood and was