It also has no neck ring mold seam immediately below the finish like found on most Owens machine produced bottles or on the majority of all machine-made bottles. There are numerous plants that manufacture glass Coke bottles all over the world. This completes the portion of the key that deals with machine-made bottles and is the end of the key for diagnostic bottle dating.
THE SEAM METHOD - OF DATING OF GLASS BOTTLES
Various stippling patterns were also added to bottle bases for largely esthetic reasons, such as the green soda bottle base to the left. Acceptance often occurred over a period of many years or decades in some cases. Is the lettering applied and in color? The Owens machine revolutionized the bottle industry. This will be shallower, wider and more perfectly circular than a pontil mark.
Likewise, the Coke manufacturer also took out patents for some aspects that can help you identify them. The top illustration shows a cork finish i. Published works generally cover either a particular city, region, or category of bottles.
All potentially leave a very slight residual color to the glass that is usually visible when looking closely at the thickest portion of the base or sides. It is easy to date Coke bottles that are made by the Root Glass company. For more information click colorless glass to go to that section of the Bottle Colors page. The types of bottles illustrated on these pages would be considered typical of the earliest machine-made bottles in the U. Other types of base perimeter stippling resembles small crescents - - which is very common on modern beer bottles.
The number on the right may indicate the last digits of the manufacturing date. Close-up of the finish lip of an Illinois Glass Co. This was the time when Pepsi bottles were manufactured by local glass makers.
These numbers help to determine general dating break probabilities for both machine-made and mouth-blown bottles. Click here to move directly to the list of machine-made dating questions. But the process was completed in a single blow.
- These numbers were embossed on the base of many maybe all?
- Turn-mold bottle body showing faint concentric rings.
- There is also no neck ring mold seam immediately below the finish like found on most Owens machine produced bottles and on a majority of all machine-made bottles.
DATING BOTTLES BY THEIR TOPS AND BASES
There are many variables that need to be considered to identify the dates of Coke bottles. Notice also how unlike most pontil marks, the Owens ring covers the whole base of this bottle. This will be noted where known.
Click knurled base to see such as defined by a Owens-Illinois engineer Phil Perry, pers. How to Build a Sandblaster. Be aware that none of the pages are all inclusive since related information exists on one or many other website pages. Post photos of fun hobby ideas or write about your hobbies. Check for lack of bubbles and uniform glass thickness.
In order to be in compliance with the Gould Amendment, soda bottlers in El Paso along with those in the rest of the U. Stippling is shown on both the bottle bases in the images and was typically produced by hand punching the base plate of the bottle mold. This is another indication of a machine-made bottle.
The titles of and links to all of the pages contained within this site can be viewed by clicking on Website Map. Click canning jar to view the typology page section devoted to that category. The picture to the left shows both of these mold seams click to enlarge.
How to Date Antique Glass Bottles
This complex of pages is a major hub of the rest of this website and the best place to start a search. Combined Makers Markings Table - Out of date but useful. Also, sites the format and space constraints of a journal article do not allow for the elaboration and illustrations necessary to make a key function fully Jones b. Foreign Coin Identification and Values. Use that page to get a feel for the structure of this website and to access any of the other web pages.
The question numbers on this page continue where they left off on the mouth-blown bottle portion of the key. If the neck is too large for the crown to fit, then it is not an antique. The side mold seam does not extend onto the top surface of the finish, i. Produced during the era where all bottles were an relatively rare and cherished commodity to be discarded only when broken i.
Dating Antique Bottles
Wondering How to Identify an Old Pepsi Bottle Read on to Know
By the midth century, embossed lettering and marking on bottle bodies and bases, denoting manufacturers and products, made more precise dating possible. The best the following key can do is get a user to a reliably close dating range estimate. Bottle made of some other color of glass If the bottle has some other glass color no useful general dating information is possible.
How to Date Antique Glass Bottles
This, and no mold seams, is another indication of a hand-blown bottle. See the About This Site page for more information about the author and contributors. It is suggested that if you only bookmark one page of this website for future reference, dating agencies brighton that it be the Website Map. It is thought that probably all pre semi-automatic bottle machine production in the U.
BOTTLE MOLDS AND SEAM DATING
List of Hobbies for Couples. Thus, new york times hook up these questions do not have to be viewed in order. Both are hard questions to answer and the answer is somewhat arbitrary in the end.
- These two manufacturing types can be hard to differentiate from each other, though free-blown bottles are almost always round or oval in cross-section and have lines that are not sharp i.
- How to Identify Perfume Bottles.
- All this adds to the fascination with bottle making, but makes systematic dating similar to solving Rubik's cube - ostensibly simple on the surface but complex in practice.