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
Joseph S. Fowler Joseph S. Fowler Joseph Smith Fowler (August 31, 1820April 1, 1902) was a United States Senator from Tennessee from 1866 to 1871. Fowler was born in Steubenville, Ohio. He graduated from Grove Academy in that city and subsequently from Franklin College in New Athens, Ohio in 1843. He taught school in Shelby County, Kentucky in 1844. He served as a professor of mathematics at Franklin College in Davidson County, Tennessee from 1845 to 1849. He studied law in Bowling Green, Kentucky and was subsequently admitted to the bar and practiced in Tennessee until 1861. He also served as president of