As Berge noted in referring to bottles, the " This bottle dating "key" is a relatively simple "first cut" on the dating of a bottle. Please be aware that in order to gain the maximum information about any particular bottle e. Unfortunately, the complexities of precisely dating bottles is beyond the scope of any simple key; more complex keys are far in the future if they ever become available. A substantial amount of bottle type specific information must be reviewed by a user to increase the probability of dating accuracy. Additional reference materials outside of this website must usually be consulted to narrow down the date of any item as far as is possible and to really get a "feel" for the history of the bottle in question. Fortunately, as each year passes more of this type information becomes available on the internet.
In addition, this site also assists the user with these questions:. What technology, techniques, or processes were used to manufacture the bottle? Where can I go for more information on historic bottles?
Blow -pipe pontil scar. Bottle ca. This website will explain why this sharp glass mark on the base of a bottle is a key midth century and earlier diagnostic characteristic.
Even then, the bottles discussed in depth are so primarily to illustrate the presented information and concepts. Many hundreds of specific historic bottles are used as examples within the pages of this website to illustrate the concepts discussed; with luck you may find the specific bottle you have an interest in discussed though typically you will not.
This website is intended for Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification; some are meaningless. This website will help you determine what to look for when identifying and dating historic bottles. If you are attempting to estimate the approximate manufacturing date - or age - of a particular bottle or significant sized fragment the first page to visit would be the Bottle Dating page and its related sub-pages.
Chart 1 The Basics of Dating Bottles. Readers first need to develop the vocabulary necessary to distinguish early and late forms of bottles. The following charts and pictures on the dating bottles pages listed below should help. DATING BOTTLES BY THEIR TOPS AND BASES. A Look at Bottle Bases. One approach to helping beginner identify their old bottles involves show them the bases of old bottles. The picture below at the left shows an iron pontil on the base jof a historical flask circa The middle picture shows an open pontil on the base of a cylindrical medicine. Antique collectors can also use these seams as a dating technique for their bottles. THE SEAM METHOD - OF DATING OF GLASS BOTTLES At one time almost all bottles were completely hand blown (in the open air) without the aid of molds of any kind. Such work required skilled craftsmen and a great deal of manufacturing time.
This complex of pages is a major hub of the rest of this website and the best place to start a search. Also linked to the Dating page is a sub-page called Examples of Dating Historic Bottles which tracks a few different bottles through a dating and general information quest to illustrate how the dating process and this website work.
If you are interested in identifying what a bottle was likely used for - i.
This very large complex of pages includes bottle type specific sub-pages with extensive style based dating information, including complete scans of 5 different early 20th century to bottle makers catalogs spanning the mouth-blown to machine-made bottle manufacturing era!
Does anyone know about the ship that was trapped in Ice and stopped?
That ship was the Californian another Leyland liner and the Bohemian 's sister ship. You must log in or register to reply here.
Well-maintained genuine antique glass bottles could fetch you a good deal. HobbyZeal gives you a guide to identify antique glass bottles. Did You Know The earliest known use of glass vessels was by the Ancient Egyptians dating back to 1, BCE. Archaeological evidence collected from this era contains many glass coated artifacts. 26 rows OLD BOTTLE IDENTIFICATION AND DATING GUIDE. This webpage is intended to help . Apr 03, Welcome to our Antique Bottles Community Your FREE Account is waiting to the Best Antique Bottle Community on the Web. dating bottles. Thread starter seniorscuba1; Start date Apr 3, ; Apr 3, #1 seniorscuba1 Well-Known Member. Feb 24, 49 Hi it never ceases to amaze me when I come upon thousands of tons of Twisted mangled.
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This Bottle Dating page (and website in general) is designed to address what the website author refers to as "utilitarian" bottles & jars (click for more information). Utilitarian items makes up the bulk of the bottles produced during the 19th century and first half of the 20th century. Dating antique bottles requires knowledge of the evolution of bottle technology and the ability to research manufacturers and bottling companies. Although glass bottles have been made for a few thousand years, it was not until the 19th century that bottle use became . If you are attempting to estimate the approximate manufacturing date - or age - of a particular bottle (or significant sized fragment) the first page to visit would be the Bottle Dating page and its related sub-pages. These pages lead a user through a series of questions about the physical/morphological characteristics of historic bottles which help to narrow down the age of an item.
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Dating antique bottles
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Where you gonna go? General Chat. If the seams disappear in the neck, the bottle was probably "blown-in-mold" and dates circa to early s. Is a pontil mark present along with disappearing side mold seams? This bottle probably dates circa to Do the mold seams disappear in the neck, but the bottle lacks a pontil mark?
DETERMINING THE AGE OF OLD BOTTLES
Blown-in-mold bottles without pontil marks date circa s to s. Do the mold seams go all the way from the base to the lip?
This is a machine-made bottle and dates after Look for a "suction" scar on the base. This will be shallower, wider and more perfectly circular than a pontil mark.
Bottles with suction scars were made in an Owens Automatic Bottle Machine and date after The Owens machine revolutionized the bottle industry. Check for lack of bubbles and uniform glass thickness. This is another indication of a machine-made bottle.
Is embossed lettering present? Most bottles with embossed lettering date from the late 19th century and later.
Lettering on the body will give clues to the contents and lettering on the base will give clues to the manufacturer. Both require more specific research to refine the bottle's date beyond observation of technology.