Dating atlas mason jars, shop by category
That was the date when John Mason received his patent for the threaded screw-type closure, and it appears on many different brands of jars. Ovide was produced in many of the Platonite colors, especially into the s.
Inspect the glass in good light to find scratches, cracks or fractures. Instead, I mean how do you tell how old your Ball jar is? At this time besides the mason jar liners they added opal colored ointment jars and salve boxes.
Some patterns were also made in cobalt blue and, in a few cases, amethyst. Here are the two most common colors of these jars.
With plenty of reproductions and just plain fakes on the market, collectors must pay attention to the details to get the best picks. They also come in many different shades of color.
The company would also produce all kinds of kitchen glass ware in an assortment of colors. I have noticed items listed for sale by dealers and sellers at antique malls, Dating atlas mason jars markets Futurama zoidberg dating other venues such as ebay with labels indicating Anchor Hocking.
Luckily, there are some tips and tricks you can use to determine an approximate age for your jar. Once a common, inexpensive, household item, some old canning jars now come with a healthy price tag. But, you say, how can the date be correct, since you have a jar embossed with a patent date of The Hazel-Atlas company was in business from to Jars made after about were completely machine-made and show mold seams across the top and down the sides.
Run your fingers over the glass carefully to check for nicks and chips. Again, the answer is unfortunately, no.
Dating atlas mason jars for mold seams. A variety of designs were made. They identify the position that the mold in which the jar was made held on the glassmaking machine. Check the logos below against the logo on your jar. These are called mold numbers.
Above are some jars in not so common of colors. Vivid or unusual colors, bright wire on the bails, oddly wrapped wire and a greasy feel to the glass are all indicators of recently made or reproduction jars. Look for jars embossed with the Atlas name in raised lettering.
The absence of a mold seam on the lip indicates the jar was finished by hand.
How to Date a Ball Jar
Click here to go to my Home Page. In the beginning the company made glass inserts that fit inside the zinc lid. Does that help date the jar? Colors are usually blue-green or aqua, or clear. Workers would have hand-tooled the lip into shape after the lower part of the jar was blown into the mold.
Atlas Mason Jars
The Atlas Strong Shoulder Mason has heavier glass below the jar neck to prevent it from cracking easily. This company made pressed tumblers from newly developed automatic presses.
The E-Z Seal is a lightening jar, a design which has a distinctive glass bubble lid or stopper clamped to the jar with a wire bail. He taught me everything I know about Ball jars, but not everything he knows. Rejoice if you find one of those; Buffalo jars are pretty rare.
A third company was formed called Republic Glass Company.