Weck jar 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 J. WECK Company in Germany, who began selling them in 1895. They were initially sold in Germany and began selling outside of Germany in 1902. It soon became the most popular home canning system in Germany and Europe. This system uses glass jars (200 ml–1.5 l), reusable rubber seals, and glass lids. During the canning process the lids are
Walter John Kilner Walter John Kilner Walter John Kilner, M.D. B.A., M.B. (Cantab.) M.R.C.P., etc. (1847–1920) was a medical electrician at St. Thomas Hospital, London. There, from 1879 to 1893, he was in charge of electrotherapy. He was also in private medical practice, in Ladbroke Grove, London. He wrote papers on a range of subjects but is today best remembered for his late study "The Human Atmosphere". In 1883 he became a Member of the Royal College of Physicians. In his spare time he was a keen chess player. In 1911 Kilner published one of the first western medical studies of the "Human