Dating old kerr canning jars
If the jar has this characteristic, known as a pontil scar, it shows that it may have been held with a pontil rod to protect the glassblower from the hot glass while the jar was being made.These scars indicate that the jar was probably made before 1855.Canning is typically used to preserve jams, fruits. These are no longer available and already go for very inflated prices on ebay or specialty stores that kept an inventory of them.Kerr self-sealing jars and the Kerr Economy were created in 1903. If you keep your eyes open and get lucky you can build an interesting collection of canning jars for modest prices. We will not share any of the email addresses on this form with third parties.
Dating antique bottles requires knowledge of the evolution of bottle technology and the ability to research manufacturers and bottling companies. Embossed markings on glass jars, bottles and other containers can add considerably to their monetary value. Famous glass companies with histories that go back a century ago include prominent glass makers such as Baccarat in France and Waterford. Ball began manufacturing glass jars in 1883, followed by the Kerr Company. Mason jars, which are also known as Ball jars, have been used for home canning for more than 150 years. Most Valuable Ball Mason Jars; How to Date Kerr Jars;. Even so it was a step forward from earlier preserving methods of drying, pickling, salting and smoking and offered a way to preserve a greater variety of the summer’s harvest. Mason developed a way to cut threads into a metal lid. You will still find them commonly in antique stores.
Italian Quattro Stagioni Jars Quattro Stagioni canning jars come in 250 ml/8.5 oz, 500 ml/17 oz, 1 liter/34 oz and 1.5 liter/1.6 quart sizes. One downside with the small 250 ml/8.5 oz jars is that although the 500 ml/17 oz jars can be used with the regular size of 2-piece Ball and Kerr canning lids, the small size Quattro Stagioni jars can only be used with the small size Quattro Stagioni lids.