Dating antique jars

30-Sep-2017 13:26

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A band is screwed loosely over the lid, allowing air and steam to escape.The jar is heat sterilized in boiling water or steam and the lid is secured.Largely supplanted by other products and methods for commercial canning, such as tin cans and plastic containers, glass jars and metal lids are still commonly used in home canning.Mason jars are also called Ball jars, in reference to the Ball Corporation, an early and prolific manufacturer of glass canning jars; fruit jars for a common content; and glass canning jars a generic term reflecting their material and purpose. brands of Mason jars are Ball, Kerr, and Golden Harvest.One of the more popular styles of closures for the Mason jar was the wire bail.The closure consists of a metal wire arrangement with a lever that applies leverage to a glass lid when pivoted downward against the side of the jar, clamping it down over a separate rubber O ring.Most metal lids used today are slightly domed to serve as a seal status indicator.The vacuum in a properly sealed mason jar pulls the lid down to create a concave-shaped dome.

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In the meantime, several others had patented designs and Mason had known these jars were being produced and sold.An improper or failed seal or microbial growth will cause the dome to pop upward.French chef Nicolas Appert invented the method of preserving food by enclosing it in sealed containers.Among the earliest glass jars used for home canning were wax sealers, named in reference to the sealing wax that was poured into a channel around the lip to secure a tin lid.

The famous jars were used by many a wife and mother to can and preserve food. My own mother. While some food preservation is still done in pottery crocks, glass jars largely replaced stoneware starting in the late 1800s. The logo is the best way to date the jars because the Ball logo changed throughout the years.… continue reading »

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Bottle Guide. Bottle collecting has become an increasingly popular hobby among antique lovers in the United States. But bottle buff interest isn't confined to historical flasks and ornate decanters; it also includes many types of modern bottles, reproductions, and “collectibles”—bottles not old enough to qualify as.… continue reading »

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Most antique jars that are not colorless are aqua or "Ball blue," a blue-green shade that was named for the Ball Corporation, a prevalent jar manufacturer. Most mouth-blown Mason jars embossed with some type of 1858 patent date were produced in aqua glass. The Ball brand of Mason jars were manufactured in several.… continue reading »

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