- Other diagnostic tools must be used to date these items.
- This will be shallower, wider and more perfectly circular than a pontil mark.
- Return back to this page by closing the Bottle Morphology page.
- Where can I go for more information on historic bottles?
One approach to helping beginner identify their old bottles involves show them the bases of old bottles. That is the point of this website. If you know your bottle is mouth-blown aka hand-made click Mouth-blown Bottles to move directly to that page. The third picture shows the base of a milk bottle from just after the trun of the century. The middle picture shows an open pontil on the base of a cylindrical medicine bottle.
This complex of pages is a major hub of the rest of this website and the best place to start a search. This is the base of the bottle whose lip is shown above left. Inside the Owens ring are several numbers. For brevity, old most of the specific references are not noted in the key's narratives. Plastic containers Ergebnisse Show all.
How to Date Antique Glass Bottles
The automatic bottle machine was much more precise in gathering an exact amount of glass and the same amount of glass for each bottle this consistency lead to more uniform products. Is the base indented with an irregular to round pontil scar? Published works generally cover either a particular city, region, or category of bottles. What is the age of the bottle? The author has also seen Star Bitters labels on Wait's bottles as well as both labels on the immensely period popular Hostetter's Stomach Bitters bottles!
Metal labels for a very elegant look! This website will explain why this sharp glass mark on the base of a bottle is a key midth century diagnostic characteristic. Author reserves the right to update this information as appropriate. Most free-blown bottle date prior to and can be much older. Blown-in-mold bottles without pontil marks date circa s to s.
When possible, the information on this website is given general reliability rating estimates e. You will find them in our shop! If you are interested in identifying what a bottle was likely used for - i. How to Identify Perfume Bottles.
Check for lack of bubbles and uniform glass thickness. Another exception example is that the bottles for expensive, low production liquors e. These bottles will not have the side mold seam proceeding from the upper finish side over and onto the rim itself.
They are noted on the other website pages which expand on the information summarized in the key. Return to the top of this page. Time has taken its toll on records, of course, online dating in islamabad but much of what happened in the past was simply not documented well or at all as with most endeavors of common people in the past.
In addition to technology, products and manufacturers, certain types of glass colors will also aid in dating. If your bottle is an ink fitting the descriptions above, click Machine-made Bottles to move to the Machine-made bottles dating page for more possible dating refinement and to pursue more information. Newman's key made a noble attempt at simplifying bottle dating, but is weakened by the fact that the subject is much too complex to be conducive to such a simple approach by itself. No matter if you are looking for a nice, elegant or even a simple and well-priced glass bottle - this is the right address!
Dating Your Old Bottles
Unlike most screw caps, the three point screw top had three lugs jutting out from the lip which were to engage a metal cap. What type of bottle is it? Both require more specific research to refine the bottle's date beyond observation of technology. Close-up of the finish lip of an Illinois Glass Co.
How to Date Antique Glass Bottles
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. What are specialty bottles? But the process was completed in a single blow.
Click here for a picture of a typical s to s milk bottle. If using this site for the dating or typing of a known or likely Canadian-made bottle, keep this in mind as the reliability of the information may be reduced. Is the lettering applied and in color? In addition, other references beyond the scope of this website usually must be consulted to get as complete of a dating and typing story as is possible for any given bottle. With the uniformity, came the possibility to create a solid seal with a screw cap.
Have fun browsing and exploring our online shop! The picture to the left shows both of these mold seams click to enlarge. Both of these medicine bottles look much like their earlier counterparts. Even then the bottles discussed in depth are so primarily to illustrate the presented information and concepts.
The concentric rings are not always as obvious as the picture shows click to enlarge and sometimes not visible, though if present it is a conclusive diagnostic feature. Vertical side mold seam on the neck of a beer bottle ending well below the finish, indicating that it was at least partially handmade - ca. This was the manner in which the early Owens bottles were blown.
Your advantages at world-of-bottles. Having written extensively on North American archaeology and material culture, card he has contributed to various archaeological journals and publications. Theme Ergebnisse Show all.
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. No material may be copied for commercial purposes. Notice also how unlike most pontil marks, the Owens ring covers the whole base of this bottle. The world-of-bottles webshop.
We have tried to define the distinction between these two classes of bottles from the perspective of the intent of and information found on this website. As above, click on the image to view a larger and much more readable version with the various features pointed out. Produced during the era where all bottles were an relatively rare and cherished commodity to be discarded only when broken i. Beginning collectors often confuse an Owen's ring with a pontil mark and it is easy to see why this happens.
- This is another indication of a machine-made bottle.
- The earliest bottles were hand-blown by a glassblower with a blowpipe and lack seams.
- Where did the bottle come from, i.
- If it were that simple much of this website would be unnecessary!
What technology, techniques, or processes were used to manufacture the bottle? Adhesive Zweckform labels. Does the bottle appear light purple in color? The scar was left when the pontil was detached from the bottle.