March 29, References Approved. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. There are 13 references cited in this article, which can be found at the bottom of the page. This article has been viewe times. Learn more Ball mason jars are a type of home canning jar made by the Ball Corporation. The company started making mason jars back in , and many people today still use these for canning, or collect the jars as a hobby.
Kerr utilised the patents of Julius Landsberger from San Francisco for a metal lid with a permanently fastened composition gasket. These jars were a milestone for home preserving. The Economy jar had a wide mouth for easy use.
InKerr made a smaller, flat metal disc lid. It fit on top of a Mason jar and could be used with other canning jars.
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Check the jar from top to bottom. The Kerr name will be embossed on the glass.
Kerr Group, Inc. Kerr did not actually manufacture glass during the earliest period from to , but instead had jars made for them (with the Kerr name embossing) by other glass companies, Illinois-Pacific Glass Company of San Francisco, and Hazel-Atlas Glass Company based in Washington, PA, later Wheeling WV. May 13, There are some general guidelines to approximate the date of a vintage Kerr jar between and The finish on a fruit jar can tell you roughly about the date it was made. If the finish on the base is smooth on the lip of the jar, it usually means the jar was machine-made after 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
There are some general guidelines to approximate the date of a vintage Kerr jar between and The finish on a fruit jar can tell you roughly about the date it was made. If the finish on the base is smooth on the lip of the jar, it usually means the jar was machine-made after If the jar is rough and jagged at the base, it was machine-made between the early s to Check for mould seams.
Jars that were not machine-made have other characteristics. On the sidewalls they say Kerr, Self Sealing, Mason.
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The bottoms have little circular bubble pattern and dead center it has a number, the numbers vary depending on the jar. Message me on facebook and I can show you pics. Sometimes the original boxes, if in good condition, are considered just as collectible, if not more, as the jars themselves.
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. Mason jars date back to the s when John Landis Mason thought of an innovative way to seal jars. "The logo will tell you how to date Ball mason jars." Before his patented invention, glass jars were sealed with a thin lid glued together by wax. This proved to be a difficult task especially when resealing the jars because lids cannot be reused.
I believe you do have some jars from the year Best regards, David. Any idea when this could have been produced? I found a Kerr jar that is dated This jar has air bubbles and the bottom has crack marks. The bottom also has a number 7 and 9. Was this jar hand blown?
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The date is a patent date not the date the jar was made and was marked on many Kerr jars for a long time after The jars will have vertical mold seams that extend all the way to the top of the jar. That is true of most not all, but most machine-made glass containers. By the way, many earlier machine-made containers have bubbles in the glass. The bubbles in themselves are NOT an indication of whether a jar is handblown or machine-made.
But, in general, as time passed the quality of containers has become better and better, and bubbles and other flaws in more modern utilitarian glass are less common. Hope this helps, David. It has seams and a smaller lip than the wide mouth jars.
Another site dated it There are no markings on the bottom of the jar at all, except a faint circle which might be a valve mark. Can you help me identify this jar? That catalog number covers the half pint, pint, quart and half gallon sizes, in both round and square variants. They are typically in clear glass, but occasionally in a very faint green or yellow tint. They were made, in MANY slightly different variations, over several decades, at least until the s if not later. I suspect your variant is from sometime in the ss, but I am not sure, and cannot narrow down that range with certainty.
Perhaps a reader who specializes in Kerr jars can give us a better idea of age on the variations. They are very common and listed with a RB value of less than a dollar for clear examples, a bit more for the other shades. The articles may end up being full of errors, generalities and misinformation.
I suspect it might have been one of the articles you came across while doing research. Kerr for that style of preserving jar. I think the patent was in effect for 4 years.
I hope this helps a little, Take care, David.
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I appreciate your time and knowledge in explaining the jar. There is no AHK on the bottom. The reason I mentioned the seams is that I had read maybe in one of those bogus articles?
David, Thank you so much for this informative website. Again, I thank you! Roy, I will assume that any jar with that wording or a similar phrase was made for decorative use only.
Dating vintage kerr mason jars OrmanApril 09, Other jars are one 1 8oz kerr mason who first invented and beyond. Released in recent years include their true age? Each number either represents a chart to a participant in collectible jars. Aug 3, - 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 ,. Mar 29, The company started making mason jars back in , and many people today still use these for canning, or collect the jars as a hobby. There are many ways to date old Ball mason jars, and one of the easiest is to look at the logo. Along with the logo, you can sometimes use the color, size, and other distinguishing marks to help date a mason jar.
It was either sold empty as a drinking mug or a floral vase, or perhaps was sold already filled with dry pasta, beans, colored sand, etc, or contained aromatic wax and was sold as a candle. Hi Tony, Alexander H. From information posted on several websites, it appears that the I-P factory itself was miraculously saved from the fire that followed the earthquake, and was not damaged even though the businesses surrounding the area suffered huge losses.
Alexander H. Kerr was a devout Christian who believed in paying his tithes no matter what, and believed that God had showed him His mercy and kindness by sparing the factory from destruction. I just heard the story about how A Kerr was a Christian man and believed God would not let his Jar factory be destroyed.
Weeks later when he looked upon the destruction of San Francisco his factory was still standing and not one jar was broken.
Just wanted you to know I just heard the story of A. Kerr - a devout Christian who tithed faithfully - on Inspiration Ministries morning show today. At one time they refused to make beer or liquor bottles. Has anyone come across any of these and know anything about them? Like you I could find no information on this specific jar taking just a sample of each style jar. Have you had any success? I have the same jar! I have only one, also, and am having difficulty finding information on the jar.
Lots of treasures and lots of questions!
I have ten vintage jelly jar drinking glasses, diamond design. Three say Kerr with numbers and letters on the bottom.
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Two glasses also have the quilted diamond design that may be Anchor Hocking. One has the mark with 15, 04, and 9. The other one has the mark Anchor mark with 15, 04, and The other five glasses are the diamond design, also. They have numbers and letters. One has SG, 93, and 6. One has 93, BF, One has 93, BF, 3.
Any help would be appreciated. Any idea on age and the Landore significance?
Master Measuring with Mason Jars ~ Noreen's Kitchen Basics
I will try and locate that book you refer to for the many other jars I acquired, but until then, the poor quality on this one has me wondering! The patent date is June 9, Those jars would date from sometime afterup to approximately or soon thereafter. Jars with manufacturing defects are avidly sought by antique jar collectors, so you have a nice piece! Thank you David. Even more imperfections to this funky jar.
Someone was asleep at the line with this one! Curious if you know what the J relates to?
Many older bottles and jars have bubbles and other flaws in them. The level of quality control was less stringent, and glass manufacturing methods were less sophisticated than in later years. The tops of these jars are not threaded but rather have one continuous rib just below the rim.
Everything I read is saying that is the earliest Kerr jars were produced. Just wondering if you knew if those dates were possible and any other info. Thanks Ryan. In the case of your particular jar, it dates sometime afteras that is the year in which the business office and manufacturing plant was established at Sand Springs, Oklahoma.
David, Im trying to date my jar. It says Kerr and Economy on the side. From what years were canning jars made in Sand Springs? Thank you for any information you have to share.
Loretta, From research it seems the manufacture of glass at the Sand Springs, Oklahoma plant started approximately and after many decades of production, glassmaking ceased there in by then, the former Kerr plant was owned by Ball. These Jelly Glasses packed without lids. They were boxed at the Sand Springs Oklahoma Plant. Have any clue on what War that was? Katie, that would be World War II.
I have Kerr jars number 22 number 11 number 26 number 15 and number How would one go about finding out what years these are from and a possible value if any at all? Bryan, the numbers are mold numbers and mean nothing as far as age. The bottom of the jar itself has a rough pattern, AHK, and only the number 1. Just wondering if this jar came from the first mould, maybe making it worth something? Any ideas anyone? The mold numbers identified molds being used as a series group such as numbers 1 through 12, or 1 through All of the molds within a particular set of identical molds for instance numbered from 1 to 10 were installed on a machine and all of those were producing bottles or jars at the same time during the operation of the machine.
Hope this makes sense. There might be two other plants not in the above list, Maywood California and Wilson North Carolina :. Kerr Group Inc. Can you tell me about the angel and crown embossing I have seen 3 variations and hoped it might help date the jar. On the first the bottom has a boxed number 5, Kerr in a odd shape box and then the number in another box.
The second bowl has no boxes what so ever on the bottom. Any info you can give me would be valuable. Thank you. They are sometimes misidentified as custard cups, pudding cups, sherbet bowls or dessert dishes. You might try searching with various keywords to find similar jelly glasses on that site. I hope this will be of help. Thanks so much David! I, too, have several jelly cups with Kerr on the bottom.
Any suggestions? Hi Donna, I have heard of other people trying to find lids to fit these cups, and having trouble finding them. Or maybe someone there would have ideas on where to get them. People are less likely to keep lids like those.
Thanks so much for the Facebook suggestion. I have found photos of the Kerr lid here on link valid as of Sept Another link shows that they also came in red. Hi Randal, Thanks for the links. I actually have a similar jar with a red-painted lid exactly as shown in the second listing you linked to and I remember when my mother bought a case of them 12? I had saved an example of that jar just to keep stuff in, such as buttons.
The base of this particular jar only has mold number 5 on the base. I would guess there were minor variations in the side ribbing and base markings over the years. Thanks for your post! I have a mason jar that has ahk 24 on the bottom of it. So the one i have was it made before? Alot of the AHK jars were saved by consumers and re-used for canning or storing. Hey there! I have over 30 jars that I acquired from a hoarders house we remodeled and am trying to date them.
I have a Kerr jar that says Chicago, Ill. Thank you! Not sure how or where she got her info, but the time period is only approximate, and since jar molds were used sometimes for several years before wearing out and being replaced, I would guess your jar dates from sometime in the timeframe.
I have a small Kerr mason the numbers, on the bottom, 22 centered and below? In the center it has Kerr and underneath that, underlined and in quotations Self Sealing. Underneath that it says Mason.
The lid says Kerr. I have some purple Kerr jars and on the bottom it says Portland, Ore. Does this mean these jars were made in Portland? What can you tell me about their age? Hi Debbie, The Portland location was where Kerr business offices were located from to Although some jars are base-marked with that city name, they were actually made at other locations, which are listed in my text on this page.
The jars with the Portland embossing presumably were made sometime between and I have one that has this date stamped on the bottom of it in almost perfect condition. It is amazing it has survived years!! Tyro, Ks was the 1st plant, Altoona, Ks was the 2nd plant, they both moved by wagon and set up new plant along the Arkansas River at Sand Springs, Oklahoma. Dwayne, thanks for your information, which I will post here.
Thoburn, published inwhich includes a note about the Tyro, Kansas firm which was, as far as I understand, strictly speaking not a Kerr plant, but was started by someone Charles H. After holding this position about two years he removed to Peru, Chautauqua County, Kansas, where he held a like position with the Swartz Glass Company this association continuing about three years.
In Mr. Hubbard and Mr. Joseph C Kelly established a glass factory at Tyro, Kansas and at the same time he became assistant manager of the Kerr Glass Company at Altoona, that state, but still retaining his position as business manager of the factory at Tyro in which he was interested.
Hubbard came to Oklahoma and in company with his former partner, Mr. Later, Alexander H. Kerr and A. Under the vigorous and well-ordered control of these progressive business men the enterprise has been developed to large and substantial proportions and constitutes a valuable addition to the industrial activities of Oklahoma.
The Alexander H. They also manufacture jelly glasses. To whom it may concern in your company; I purchase your canning jars, but I would like to bring to your attention a small problem I have encountered.
When I purchase a new box of jars and unscrew the band on the jar, the pressure that has built up inside the jar acts as a propellant and causes the screw band and the flat to explode and shoot across the room.