Home canning afterward. In Australia the most popular home canning system is Fowler's Vacola. This system uses glass jars, single use seals, metal lids, and a water bath canning sterilization process. During the canning process the lids are secured by metal tension clips which are removed once a vacuum seal has formed. Fowler's Vacola products are still produced and are available from some hardware stores. Used equipment is frequently sold on online auction sites and in opportunity shops. In Germany the most popular home canning system is Weck jar. This system uses glass jars (80ml-2.5l) and glass bottles (200ml-1l), reusable rubber seals,
John S. Mason John S. Mason John Sanford Mason (August 21, 1824 – November 29, 1897) was a career officer in the United States Army who served as a general in the Union Army during the American Civil War. John S. Mason was born in Steubenville, Ohio, in the late summer of 1824. His father was a prominent physician who had been a military surgeon during the War of 1812. He was educated in the local schools began his college studies at Kenyon College in Gambier. In the winter of 1842, he transferred to Washington College in Pennsylvania. However, he withdrew when he