Fowler's Vacola Fowler's Vacola The Fowler's Vacola jar is a molded glass jar used in canning to preserve food. It is the most popular home canning system in Australia. The system was developed in 1915 in Melbourne, Australia, by Joseph Fowler (28 February 1888 – 24 April 1972), who migrated from England in 1912, at his home in Hawthorn, Victoria, and became very popular. The Fowler's Vacola system uses glass jars, single use rubber ring seals and pressed metal lids, much like American Mason jars first patented in 1858, except that the jars and lids are not threaded. During the canning process,
William S. Mason Bureau's pumping station, dedicated in 2017, bears her name. The couple had no children. William S. Mason William Spencer Mason (1832 – March 27, 1899) served as mayor of Portland, Oregon, from 1891 to 1894 and 1898 to 1899. Mason was born in Virginia in 1832. From humble origins, he began his career in railroads in the South and Midwest, continuing in San Francisco in the early 1870s, where he helped organize street railway companies. After moving to the Northwest, he helped construct the Northern Pacific line between Tacoma and Seattle. Moving to Portland in 1881, he established McCraken &