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Everyone loves Mason jars. But how do you know? Luckily, there are experts out there who can tell you all about the different types of Mason jars that have appeared - and disappeared - through the ages. And what are Mason jars, anyway? The glass jars were created to form a hermetic seal, and were used for canning and jarring. The jars are also known as Ball jars, thanks to the Ball corporation that still manufactures the jars today, as well as fruit jars, or simply canning jars.

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This proved to be a difficult task especially when resealing the jars because lids cannot be reused. Landis introduced a lid that can be tightened by a screw ring. He was unable to takeoff from this though until the Ball Brothers caught up with this idea in in Muncie, Indiana.

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From then on, the Ball brand of mason jars have taken over the market by storm making it a common household item. The popularity of mason jars continued to soar during World War II, when the US government asked its citizens to grow and preserve their own food. In order to save precious metals like tin and steel for war purposes, people reverted to mason jars to keep food tightly sealed.

Jan 20, - How old are the mason jars you have? Its fun to discover. See more ideas about Mason jars, Ball jars and Vintage mason jars pins. This chart shows how the label for the Ball jar company, which started producing mason jars in , has changed over time. If you have a jar with one of the older logos, it will likely be worth Author: Laura Caseley. Dating a Ball Mason Jar Ball mason jars are still being produced up to this day and there are no signs of stopping soon. But if you're one of the lucky ones to have found an old Ball mason jar, or if you are an avid collector of such items, then dating these things is very important. The logo will tell you how to date Ball mason jars.

Even after the war, mason jars were still being used but this time, for canning and preserving fruits, which became a big fad in the s. The popularity of mason jars started to decline after that, with the introduction of supermarkets and instant food.

With a shifting culture towards recycling and reusing, people have opted to look for more environmentally-friendly materials like glass jars to store food and other items.

Another factor is its vintage appeal and storage practicality. The third reason is that they can still store and preserve food pretty well.

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Ball mason jars are still being produced up to this day and there are no signs of stopping soon. The logo will tell you how to date Ball mason jars. SinceBall has created eight logo variations associated to certain time periods.

Though you will not be able to tell the exact year it was made, you will be able to get a good approximation.

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If a glass is colored purple, it means that manganese dioxide was used to make glass look clear and transparent. Exposure to sunlight though caused the glass to turn purple.

A rough base means the jar was made between and Look for mold seams. Jars not made by machines were free blown; no mold was used.

A number is usually embossed on the jar's bottom, dubbed a "mold number.

If you have a Ball jar, you can date most of them just by looking at the logo. Every few years, the Ball Manufacturing Co changed the logo and if you compare yours to a reliable chart, you know how old . Kerr self-sealing jars and the Kerr Economy were created in Alexander H. Kerr also founded the Hermetic Fruit Jar Company in the same year. San Francisco man Julius Landsberger patented metal lids fastened onto a composition gasket. Kerr used the patents to create a revelation in preserving food. Kerr, in Jul 19,   How to Date Old Ball Mason Jars - Dating the Logo Look for the early BBGMC logo. See if your jar has block letters. Check for the first Ball script logo. Look for the 3-L logo. Look for the dropped A. Look for a Ball jar without an underscore. Check for the looped B. Look for the B connected 91%.

A mold seam means the jar is post Look for small scars at the bottom and look to see if the design is more modern. This means it would be post, during days of more efficient machines.

Look for a date of manufacture, job number, plant location and various other information. This would mean the jar is modern. Phillip Woolgar has been a reporter since in communities throughout western Canada.

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His work has appeared in Canadian national publications such as the "Globe and Mail" and the "Vancouver Sun. Woolgar graduated from the Langara College Journalism Diploma program in By: Phillip Woolgar ated April 12,

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