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Frequently Asked Questions

Subject: (6.3) How do I go about selling my old jars?

Frequently Asked Questions -- Fruit Jars
You should make a list and then determine how much your jars are worth by consulting a reputable price guide. (Like the Red Book.) Once you know what you have and what it's worth, swap meets are always good places. If you have a booth or know of anyone that has a booth at an antique mall you could try that. You might even try selling them at a yard sale.

Subject: (3.1) Why do some old jars turn purple?

Frequently Asked Questions -- Fruit Jars
When manufacturers produce glass, chemicals (clarifying agents) must be added to clarify the batch in order to turn it from its original color of aqua-blue or green to clear. Prior to the start of the First World War, manufacturers used Manganese Dioxide as their chemical agent of choice to clarify glass. When a jar or bottle turns purple from sunlight, manganese dioxide is the substance in the glass that reacts with sunlight to cause the color change.

Subject: (1.3) What do the numbers [on the bottom/sides of jars] mean?

Frequently Asked Questions -- Fruit Jars
Collectors frequently refer to these numbers as "mold numbers." However, in some cases, this term oversimplifies what the numbers represented. Originally when jars were blown by hand, the number represented a specific glass blower and his team. At the end of the day the blower and his team would get paid for the amount of jars they produced as determined by the number of jars made with a given number on them. I.E.

Subject: (1.4) Are square jars unusual?

Frequently Asked Questions -- Fruit Jars
Square jars were considered a design improvement because a homemaker could stack more jars together in less space thus allowing a family to put up more food in their small cellars or cupboards. Square Jars were made for the Smalley Fruit Jar Co. Boston, Mass in the late 1890s. Other square jars date from the 20s, 30s and later. The value of square shaped jars tends to be higher than round as it seems that fewer square jars were made.

Subject: (4.1) What is a good book on pricing jars?

Frequently Asked Questions -- Fruit Jars
To learn more about the value of fruit jars I recommend the Red Book of Fruit Jars #9 by Doug Leybourne. You can order the book post paid for $35 from the author by writing him at P.O. Box 5417, N. Muskegon, MI 49445. You can also purchase the book on-line at www.fruitjars.com

Subject: (7.1) What are some examples of reproduction fruit jars?

Frequently Asked Questions -- Fruit Jars
There have been new reproduction fruit jars from China turning up in antique malls for outrageous prices but they're worth about $6-$8 each. The regular old zinc lids don't fit right and the aluminum lids that come with them are new and shiny giving away the jar's recent manufacture. These reproductions are copies of the old Hero jars made in the 1880s. As a collector these new jars usually have a poor quality to their color and the glass has a slicker than usual feel.

Subject: (2.2) What are good examples of Civil War era jars?

Frequently Asked Questions -- Fruit Jars
The manufacture of fruit jars really didn't take off until after the civil war. Before the war, canning jars (many were actually large, heavy, bulky enamel lined cans) were expensive and difficult to use. Mason's patent was issued in 1858 but it wasn't until the Consolidated Fruit Jar Company began making jars after the war did the Mason jar really begin catching on.

Subject: (3.2) Are amber or olive green jars worth more and why?

Frequently Asked Questions -- Fruit Jars
Yes, jars in amber, cornflower blue, olive green, etc. are worth more because fewer of them were made and they are in great demand by collectors. The amber jars were made that way as an attempt to keep fruit from turning brown. The amber glass kept out the harmful effect of light rays on the contents of the jar. However, the jars were less popular with homemakers because the contents were more difficult to see.

Subject: (4.2) How much are my Ball, Atlas, Kerr or Mason jars worth?

Frequently Asked Questions -- Fruit Jars
Well, the Ball, Kerr or Atlas jars tend to be fairly common. However, some jars can be worth more depending on the actual embossing. (Especially dealing with Ball jars.) Jars with unusually bright colors are worth more. These were generally made at the end of a run and contain sediments and chemicals that color the glass. Amber colored jars tend to be worth more than clear or aqua jars, but this is not a hard and fast rule either.

Subject: (7.4) Do you know of any sources of new jars with glass lids?

Frequently Asked Questions -- Fruit Jars
You can try the following Internet sources: http://www.homecanning.com/ http://www.weckcanning.com http://www.homecanningsupply.com/ Creswick, Alice: The Fruit Jar Works, Volumes I & II. Published by Douglas M. Leybourne, Jr. N. Muskegon, Mich., 1995. Leybourne, Doug: The Red Book of Fruit Jars Published by Douglas M. Leybourne, Jr. N. Muskegon, Mich., 1993, 2000. A Primer on Fruit Jars by David Hinson. Internet: http://www.av.qnet.com/~glassman/info/b&e/primer.htm

Subject: (6.2) Can you recommend a good book on the history of jars or jar makers?

Frequently Asked Questions -- Fruit Jars
All of the major fruit jar research books out there are out of print. There has been some discussion about reprinting Dick Roller's "Standard Fruit Jar Reference." There is also the two part Creswick book entitled "The Fruit Jar Works" and two classic books from the 1970s namely "Bottle Makers and Their Marks" by Julian Harrison Toulouse, 1971 and "A Collector's Manual, Fruit Jars" by Julian Harrison Toulouse, 1969.

Subject: (2.1) How can I tell the age of my old fruit jar?

Frequently Asked Questions -- Fruit Jars
It is very difficult to determine the age of a fruit jar without seeing it. However, there are a few ways to make an educated guess at the date of an antique jar or bottle. Probably the most important is the presence or absence of a pontil scar. The pontil scar - a ring of glass or a black and red iron-like indention on the base of a bottle or jar - indicates that a glassblower held the item on a pontil rod (when the glass was hot) while the neck and/or lip was shaped and finished by hand.

Is it necessary to sterilize jars before canning?

National Center for Home Food Preservation | Canning FAQs
Jars do not need to be sterilized before canning if they will be filled with food and processed in a boiling water bath canner for 10 minutes or more or if they will be processed in a pressure canner. Jars that will be processed in a boiling water bath canner for less than 10 minutes, once filled, need to be sterilized first by boiling them in hot water for 10 minutes before they're filled.

What causes jars to break in a canner?

National Center for Home Food Preservation | Canning FAQs
Breakage can occur for several reasons: 1. Using commercial food jars rather than jars manufactured for home canning, 2. Using jars that have hairline cracks, 3. Putting jars directly on bottom of canner instead of on a rack, 4. Putting hot food in cold jars, or 5. Putting jars of raw or unheated food directly into boiling water in the canner, rather than into hot water (sudden change in temperature-too wide a margin between temperature of filled jars and water in canner before processing).

My parents have a couple of old bikes they no longer use. How would you recommend selling them?

Bicycle FAQ
It’s pretty easy to sell used bicycles. Just place an ad in the local newspaper and you’ll probably find a buyer. Or, you could lock them on the lawn out in front of your house with a For Sale sign on them and drivers passing by might stop and buy them. Holding a yard sale or taking them to a flea market for sale is another option. Many people also sell bicycles on eBay, the popular auction website. I’ve sold many things on there and it works well.

Are you selling old genetics or leftover inventory?

Corn Seed, Seed Corn Company, Hybrid Corn, Corn Yields, ICOR...
No, absolutely not. We're not an odd-lot or closeout warehouse type company. If we were, we'd be selling hybrids for $50 a unit. The ICORN brand hybrids are quality products from elite genetics. The ICORN partners (Steve Hilger, Jim Wolf, Jim Schwartz) started this business with a long term goal in mind - offer quality products, elite genetics and build quality relationships with our customers. That's our philosophy .

Subject: Old unused well, how to clean?

VoyForums: Water Well Helpline Message Board
I'm building a home where there is an old hand dug well 16' deep. The well has been unused for 8+ years. How would you recommend I clean it before use. The well is around 40 foot from the house. We are a family of 5. What size tank and what type of pump would you recommended. I would like to put the pump and tank in the basement. I drilled a 22ft shallow well. Hit water at 10 feet. Connected 1/2 horse power pump. Primed pump, getting water-HOWEVER..only getting a small flow of water.

Subject: IS MY SHIH TZU TOO OLD?

VoyForums: Animal Vet Center boards
I have a 3 1/2 year old yellow lab named Jax. He has always seemed to have a seasonal allergy problem, however, this year the problem lasted from spring until now. We had him on predizone up until Sept but substituted it for Chlorotripilon due to some things we had heard about excessive use of predizone. Things continued as before until last week. Last week he was itching more and more so we took him to the vet.

Subject: How old are they when they go into there first heat?

VoyForums: Animal Vet Center boards
I have a 6 month old golden retriever and I plan on breeding her with my mothers golden retriever. I have been doing a lot of reading on the subject and this is something I have thought about for years, but I can't seem to come across the information of when they go into heat.

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