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This webpage is intended to help novice collectors and non-collectors better identify, describe, and date the bottles they encounter. Bottle dating is approximate and just intended to give a relative placement in bottle making history. Painter seam stops below lip common on sodas and beers image supplied by Harry Pristis s machine made crown top seam runs to top of bottle common on sodas and beers - Preset machine made metal cap top seam runs to top used a metal cap with twisted wire seal common on medicines s - s. Baltimore loop looks like blob top on outside inside of mouth has an ring shaped depression seam ends below lip used on beer and soda bottles. Hutchinson stopper seam stops at lip found on Hutchinson type sodas used a spring loaded wire and rubber seal. Flat Tooled uniform shape, no drippy bottom seam stops part way up neck circular tool marks often seen around neck inside of neck is smooth. Tooled Ring uniform shape, no drippy bottom seam stops part way up neck circular tool marks often seen around neck.

The disk-like mark is sometimes confused with a pontil.

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Close up of iron pontil. Beginning collectors often confuse an Owen's ring with a pontil mark and it is easy to see why this happens.

The pictures below are from two early machine made medicine bottles. I have put up pictures of the lips so that the readers can see how they mold goes all the way over the top as shown below. Notice how sharp and fine the mold seam line is.

This is different than an older hand tooled, hand blown bottle.

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The pressure from the automatic machine was strong and the molds fit tight leaving only a very thin line. In the neck on the right notice how just below the collar the mold seam goes complete around the neck.

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. 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.

This was the manner in which the early Owens bottles were blown. But the process was completed in a single blow.

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Both of these medicine bottles look much like their earlier counterparts. This is the base of the bottle whose lip is shown above left.

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 common, coinciding with the industrial revolution. 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 . 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.

Department of the Interior, administers and manages over million surface acres of America's public lands, located primarily in 11 Western States and Alaska. Part of the mission of the BLM is the management and preservation of the cultural and heritage resources found on America's public lands - prehistoric and historic. What is the age of the bottle?

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What type of bottle is it? This entire website is essentially a "key" - albeit a complex one - to the dating and typing typology of historic bottles.

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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?

26 rows  OLD BOTTLE IDENTIFICATION AND DATING GUIDE. This webpage is intended to . 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. Many people are intrigued to know how old their bottle is. There are three keys to help with dating most bottles: Side seams: None: bottle may be free blown, in which case it has a very uneven shape and dates before Or the bottle may have a nice even shape, but was spun in the mold to smooth out the seams; a.

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.

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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.

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This website will help you determine what to look for when identifying and dating historic bottles. While these two characteristics are often a strong clue to age, readers will be further helped by developing an understanding how the various categories of bottles changed over time.

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These diagrams should help clarify age differences based on both form and function. With each chart the reader will find accompanying pictures to further aid in bottle identification and age.

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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.

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