page_title: Fowler's Vacola
section_title: The jar
hierarchical_section_title: Fowler's Vacola / The jar
caption_attribution_description: English: Fowlers Vacola jars
context_page_description: 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.
context_section_description: 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, while still hot (and presumably sterile), the lids are secured by metal tension clips which are removed once cooled and a vacuum seal has formed.
  Other equipment marketed by the company included a large electrically heated waterbath and "sterilizing thermometer", a glass thermometer mounted on a concave stainless steel backing, graduated in both degrees Celsius and Fahrenheit.
caption: Fowlers Vacola jars
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